Alternatives to SMTP Debug Tool
Compare SMTP Debug Tool alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to SMTP Debug Tool in 2026. Compare features, ratings, user reviews, pricing, and more from SMTP Debug Tool competitors and alternatives in order to make an informed decision for your business.
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Greatmail
Greatmail
Dependable cloud based email hosting with spam filtering, antivirus protection, generous storage and webmail. Compatible with Outlook and all other POP3/IMAP clients. High volume SMTP service for responsible senders. Outbound relay service for transactional messages, email marketing campaigns, newsletters and other applications. Dedicated email servers, clustering and multiple IP load balancing for high volume senders. Fixed monthly cost with unlimited sending and reputation monitoring. Greatmail is an email service provider (ESP) specializing in business class email hosting, SMTP hosting and email servers. For ISPs, application programmers and cloud developers, we also provide custom solutions including dedicated IP servers and process specific, load balanced configurations with multiple servers. -
2
SendGrid
Twilio SendGrid
Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.Starting Price: $19.95 per month -
3
SMTP.com
Ziff Davis
Reliable SMTP relay and email delivery services. Powerful email delivery services that enable you to send and track high volume emails effortlessly. Integrate and start sending in minutes. All your transactional, email relay and email delivery needs under one roof. Whether you need a low-latency email delivery provider for your transactional emails, scalable infrastructure for high-volume sends or reliable backend solution for your marketing campaigns, SMTP is built to deliver. Reputation Defender is SMTP’s proprietary technology that uses big data to proactively monitor your email list health and safeguard your domain and IP reputation among ISPs by suppressing bad emails in your sends from hard and soft bounces. This ensures your delivery rates and inbox placement incrementally gets better over time.Starting Price: $25 per month -
4
MailHog
MailHog
Inspired by MailCatcher, easier to install. MailHog is an email testing tool for developers: Configure your application to use MailHog for SMTP delivery. View messages in the web UI, or retrieve them with the JSON API. Optionally release messages to real SMTP servers for delivery. See MailHog libraries for a list of MailHog client libraries. ESMTP server implementing RFC5321. Support for SMTP AUTH (RFC4954) and PIPELINING (RFC2920). Web interface to view messages (plain text, HTML or source). Supports RFC2047 encoded headers. Real-time updates using EventSource. Release messages to real SMTP servers. Chaos Monkey for failure testing. See Introduction to Jim for more information. HTTP API to list, retrieve and delete messages. See APIv1 and APIv2 documentation for more information. HTTP basic authentication for MailHog UI and API. Multipart MIME support. Download individual MIME parts. In-memory message storage. MongoDB and file-based storage for message persistence. -
5
Debug Mail
DebugMail.io
How Debug Mail work The service provides command-line access to the virtual SMTP-server. The sender and receiver addresses can be anything, since no real mailings are sent. The technology used by application developers does not matter, the service will work with PHP, Python, Ruby, Node.js, .NET and many other programming languages and frameworks. Sharing options Sharing is the main feature of Debug Mail. To see what the service and other mailings will look like, just connect the right users to the project in the service, and they will see the same thing as the developer who is testing the mailing. What you can do in Debug Mail - Send emails to non-existent test addresses instead of real ones. - Set up email distribution lists with colleagues using team access. - Work together with other developers on the service.Starting Price: $2 per user per month -
6
HELO
Beyond Code
HELO is a desktop application designed to simplify email testing and debugging for web developers by capturing and analyzing outgoing emails generated by applications during development. Instead of sending emails to real recipients, HELO exposes a local SMTP server that intercepts outgoing messages and displays them inside the application, allowing developers to inspect and verify them before deployment. This approach helps prevent common problems such as broken links, missing images, formatting errors, and other issues that often appear in production emails. It provides detailed debug views that show the email in multiple formats, including HTML rendering, plain text, raw source code, and full message headers, giving developers a complete understanding of how the message is structured. Automated validation tools check links within the email to confirm they return valid HTTP responses, reducing the risk of sending emails with invalid or broken URLs.Starting Price: $49 per month -
7
Mailcatch
Felis Studio
Mailcatch.app offers a streamlined solution for testing emails. Whether you're a developer keen on refining your email sending features or a marketer looking to perfect your campaigns, this tool is designed with you in mind. **Quick Start**: 1. Choose from over 20 code samples or just copy the SMTP details. 2. Integrate the configuration into your project. 3. Trigger your email sending function. 4. Instantly see your message in the inbox. With Mailcatch, email testing has never been more straightforward or efficient. Experience a hassle-free email testing journey today. Supercharge your marketing ✨Starting Price: $14.99 per month -
8
mailnest
MailNest
The world's easiest email testing tool. Save time, effort and money while concentrating on your application's core features. Capture all your test emails in one place. No more accidental sending of test emails to real customers. Add all your team members to collaborate easily. Check the spam score to ensure mails reach customer inbox for sure. Setup a virtual smtp server in 2 minutes. Test multiple scenarios without creating multiple email ids or clearing database. View source code of emails to check everything is perfect. Switch on error mode to emulate error scenarios. Preview all emails in a single place. Check for multiple device compatibility with a single click. Include email testing in your automation. No need for creating multiple email ids for various scenarios.Starting Price: $35 per month -
9
Microsoft SMTP Service
Microsoft
Microsoft SMTP Service is a mail server software that enables Microsoft Windows Server operating systems to send and receive emails. It is a component of Internet Information Services (IIS) and is used to relay emails between mail servers. Microsoft SMTP Service is a popular choice for organizations that need a reliable and scalable mail server solution. It is easy to install and configure and can be used with a variety of email clients. Microsoft SMTP Service supports a number of features, including: Relaying emails between mail servers: Microsoft SMTP Service can relay emails between mail servers, which means that it can be used to send and receive emails for multiple domains. Supporting multiple email clients: Microsoft SMTP Service can be used with a variety of email clients, including Microsoft Outlook, Mozilla Thunderbird, and Apple Mail. Providing security features: Microsoft SMTP Service provides a number of security features, such as authentication and encryption -
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Mailtrap
Railsware
Mailtrap is an email delivery platform for developers and product teams, providing a flexible RESTful API and SMTP service to send emails at scale. The platform is built with a focus on high inboxing rates, fast delivery, and 24/7 technical support from deliverability experts. Mailtrap ensures 99.99% uptime with dedicated IPs, auto warm-up, and sender reputation protection. Developers can integrate quickly using SDKs for major languages (Python, Ruby, PHP, etc.) and manage high-volume sending with a customizable API. The platform provides industry-best analytics with helicopter-view dashboards to monitor key metrics and 30-day logs for easy debugging. Trusted by over 150,000 monthly active users including Yelp, PayPal, Atlassian, and Adobe.Starting Price: $15/month -
11
Imitate Email
Imitate Email
Imitate Email is an end-to-end email testing platform for developers and QA teams to ensure their email flows happen at the right time and look great. Where we differ is with our embeddable web widget and SSO feature. A single line of JavaScript adds the Imitate Email widget to your application so that: - developers can test email flows inside the software they're building - testers, or clients, can see emails inside the software they're testing without needing an Imitate Email account On top of this, we provide all the features you would expect: - a web app for viewing emails - tools for checking responsiveness, link checking, spam scoring and deliverability - a fake SMTP server alongside dedicated test email address - IMAP/POP3 access for use with your favorite email client or programmatically - integration testing support with IMAP/POP3 and WebSockets - and more! Free forever for solo developers with 15 emails a day and access to all featuresStarting Price: $7/month -
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Zyntra
Zyntra
Zyntra is a disposable email platform for QA teams and test automation workflows. It helps you capture, assert, and validate email content as part of your end-to-end tests — without manual setup or flaky workarounds. Use it to: • Generate unlimited private inboxes automatically, with one line of code • Trigger real emails (OTP, password resets, invites) and read them via API or Web viewer • Prevent test emails from leaking to real users — all inboxes are private by default • Run isolated tests in CI/CD with no collisions or cleanup • Validate your entire email-based flow, just like in production (real SMTP) Zyntra works with any testing framework or language and includes an official Node.js SDK for fast integration. Ephemeral inboxes are retained for 24 hours; persistent ones for at least 7 days. Built by QA, for QA — Zyntra helps you stop babysitting test environments and focus on verifying what matters.Starting Price: $9/10000 emails/month -
13
Migomail
Migomail
Using an SMTP relay service like Miogmail is the simplest way to get started sending marketing and transactional emails. Send emails as per specific action or send series based bulk email relentlessly. Design creative customize email templates using drag-drop editor or use readymade responsive template. Security is Security is first priority, secure email infrastructure integration with SSL, DKIM, DMARC, SPF, SSL, TLS. Increase your email delivery with advanced management tools and Dedicated IP address. Create professional-looking personalized transactional, promotional and newsletter email. Utilize transactional/promotional SMTP or SMTP API to send bulk email. -
14
Eudora Internet Mail Server
Eudora Internet Mail Server
Completely rewritten relay restrictions with an easier to use interface that gives finer control over relay security. New domain name resolver (DNR), EIMS now has it's own DNR, which works around bugs in the Open Transport DNR and performance problems with the OS X DNR. The new DNR does not currently support non-recursive DNSs. SMTP Submit port, this is a second SMTP port running on TCP port 587 by default. It currently works exactly the same as the standard SMTP port. This is handy for clients that are stuck behind an ISP that blocks port 25 access. Sending Setup option for maximum recipients per message. Expand SMTP Addresses option, you can now turn this off, with EIMS 3.1 and earlier it was always on. The SMTP server (both port 25 and 587) now reports Telnet connections and connections that look like port scans (connections where no data is sent and it doesn't time out).Starting Price: Free -
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SMTP2GO
SMTP2GO
Send and track all emails easily and securely with SMTP2GO, a reliable outgoing email service solution. SMTP2GO features a redundant, multi data center infrastructure that allows users to send emails even if there is a major internet outage. SMTP2GO has features like real-time analytics, bounce/spam tracking, weekly summaries, spamtrap detection, blacklist monitoring, DKIM/SPF, and more.Starting Price: $10 per month -
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Kingmailer
KingSMTP.com
KingSMTP.com (formerly known as Kingmailer.co, founded in 2017) is a Transactional SMTP service provider. It’s designed to help businesses reliably send emails such as order confirmations, password resets, or notifications, but it’s not intended for mass email campaigns or marketing.Starting Price: $0 per month -
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WP Mail SMTP
WP Mail SMTP
If you're having issues with WordPress not sending emails, you're not alone. With the rise of aggressive spam filtering, it's tough to reach the inbox unless your emails are configured correctly. Once you've switched from the default WordPress email settings over to WP Mail SMTP, your email deliverability issues will be solved for good. Are you missing out on leads and sales because emails sent from your WordPress site are ending up in the spam folder? Missing out on these opportunities can be a big hit to your bottom line. When your emails are properly authenticated using SMTP, they'll be recognized as legitimate and bypass those aggressive spam filters. WP Mail SMTP integrates with all of the best secure SMTP providers. No matter how many emails you need to send, you can connect with the right provider for your business needs and budget.Starting Price: $49 per year -
18
Labnify
Labnify
Labnify provisions email API and SMTP-integrated mailer so you won't need any of those pesky SMTP credentials. A system that delivers and track mass emails reliably enriched with features like real-time analytics, open/click metrics, bounce/spam tracking, template builder, and more. No one likes being blacklisted. That's why our innovative blacklist monitoring feature keeps a watchful eye on your sending reputation, ensuring your emails always land in the recipient's inbox. Plus, Labnify takes email authentication seriously, utilizing DKIM/SPF authentication to enhance your deliverability and add that extra layer of security. Millions of emails have relayed via Labnify as it's easy to work with. Simply import your email list and hit SEND without the need for an SMTP credential, making it a 2-in-1 email marketing stack. Built on the most cost-effective Email API, deliverability and scalability matter. Easily connect and send your email using our automated system and scale.Starting Price: $99/month -
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turboSMTP
turboSMTP
TurboSMTP understands that email is not just a means of communication but the backbone of your customer engagement strategy. TurboSMTP Email API is trusted by developers and marketers alike for its time-saving features, scalability, and delivery expertise. Our service offers a flexible SMTP relay solution along with advanced features tailored to meet the needs of businesses of all sizes. With our intuitive dashboard, powerful features, and dedicated support, ensuring the delivery of your emails is seamless and uninterrupted. TurboSMTP's infrastructure is built to scale, whether you're sending a few hundred emails or millions. Integration with our service is effortless, with sample code libraries available in multiple languages, interactive documentation, and customizable templates. Monitor engagement data and optimize deliverability with our comprehensive reporting tools. Trust TurboSMTP to deliver your emails reliably and efficiently, empowering you to engage with your audience.Starting Price: $14.95 per month -
20
Elastic Email
Elastic Email
Tens of thousands of companies already send their emails with Elastic Email. An amazing Email Marketing platform, built on the most cost-effective Email API. Deliverability, reliability and scalability matter. Easily connect and send your email via our HTTP API or SMTP relay and scale to 100+ million emails per month on our ultra-fast global infrastructure. Build better relationships with your recipients with every campaign you send. Elastic Email provides all the marketing tools you need to help your contacts feel connected. Deliverability, reliability, and scalability matter. Easily connect and send your email via our HTTP API or SMTP relay and scale to 100+ million emails per month on our ultra-fast global infrastructure. Get the most out of your email marketing. Create beautiful emails, send newsletters, and automate your campaigns in a flash.Starting Price: $5 one-time payment -
21
Bit SMTP
Bit Apps
Many site owners face the spam mail problem for using the WordPress default PHP mail function. There may be some restrictions when it comes to mail service: sometimes emails are not delivered, sites cross the limit of outgoing mail. Bit SMTP plugin allows you to authenticate the mail service of your site by configuring the SMTP server of your desired mail service. SMTP is a protocol that helps your WordPress site make its email deliverability more easygoing & reliable. By enabling this feature, you can send mail from your site to your recipients via your preferred mail server. -
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Maileroo
Maileroo
At Maileroo, we provide a powerful platform for both SMTP relay and email marketing. We ensure fast, reliable email sending with real-time tracking of deliveries, clicks, opens, and bounce rates. With our free Email Verification API, dedicated IPs, and DNS Records for sender authentication, we help reduce bounced emails and improve deliverability. Our email marketing platform makes it easy to create and manage campaigns. You can personalize emails, use our drag-and-drop email templates, form builders, and flexible Contacts API. We provide real-time statistics and in-depth analytics to help you optimize your campaigns and boost engagement. We also offer seamless DNS setup, automation tools, multi-sender identities, and efficient contact management. Whether you're a small business or growing enterprise, Maileroo offers budget-friendly pricing and everything you need to scale your email marketing, making it a smart choice for businesses of all sizes.Starting Price: $10 per month (25,000 emails) -
23
Instant Bulk SMTP
Instant Bulk SMTP
We understand how important role marketing plays in business and by looking that we have designed our Instant Bulk SMTP service which help to start sending your campaign in less than 30 minutes. Manage multiple contact lists, add, remove, delete, and import-export. Not only can you check bounces, opens, and click-throughs using our email analytics. You can set up or integrate with your applications. Easy to upgrade to a higher plan without any hassle. Instant Bulk SMTP is an outgoing email service that will allow you to send emails from your email address whether you have your own software or you don’t have your own software. We understand how important the role marketing plays in business and by looking at that we have designed our Instant Bulk SMTP service which helps to start sending your campaign instantly. Unlike typical email marketing services, our high-volume SMTP hosting service lets you send from your own application server, email client or a combination of different sources.Starting Price: $50 per month -
24
OpenSMTPD
OpenSMTPD
OpenSMTPD is a free implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange emails with other systems speaking the SMTP protocol. Started out of dissatisfaction with other implementations, OpenSMTPD is a fairly complete SMTP implementation. OpenSMTPD is primarily developed by Gilles Chehade and Eric Faurot, with contributions from various OpenBSD hackers and members from other communities.Starting Price: Free -
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EmailLabs
Vercom
EmailLabs is part of the Vercom S.A Group, which implements technology solutions in the CPaaS model. We are a cloud SMTP server infrastructure: Cloud SMTP & Email API. With years of experience in sending to the most informed senders, we can make a measurable contribution to building email reputation and improving deliverability. We take care of standardization and security of both marketing, transactional and system messages of our customers. Thanks to the in-depth knowledge of our experts, we are able to prepare the infrastructure to ensure appropriate throughput and increase the sending speed for any market and any mailbox provider. Plug EmailLabs into your transactional sends - start sending in less than 5 minutes.Starting Price: Free -
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Ongage
Ongage
Ongage is an email marketing platform for advanced email marketers who send high-end campaigns and want to understand their audience better. Developers and non-developers can run high-volume campaigns, with advanced capabilities, on an intuitive dashboard that provides full control and get the job done! Gain actionable insights into customer behavior, send data-driven emails, segment according to intent, and more. Design personalized experiences based on your customers’ actions, with automated real-time emails that funnel your audience towards your goals. Ongage is a one-stop-deliverability-shop, with system capabilities, reports, and experts that can slice and dice deliverability from every angle. Sync your CRM, CDP, and data warehouse with Ongage and optimize campaigns to make an impact in real-time. Connect any SMTP relay, MTA, or use the built-in Ongage SMTP to send your emails. In Ongage, you can send from several SMTPs or just one. -
27
PostSheet
PostSheet
Learn how to use PostSheet + Google Sheets to send personalized emails. This allows you to effectively mail merge using Google Sheets. If your Google spreadsheet doesn't have one already, create a new row at the top and fill it with the names of your columns. It doesn't matter if the header row has a different style or not. PostSheet does not send the emails itself. It creates the personalized messages and then hands them over to an email service provider to send. Many popular email service providers are supported including Gmail, Outlook, Mailgun, Mandrill, and Amazon SES. You can also use your own SMTP server.Starting Price: $9 per month -
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Bulk Response
Bulk Response
BulkResponse is the only Bulk Email Program along with Mass Email Marketing services that allow it's users to import unlimited contacts. Established Since 2009, BulkResponse has helped thousands of customers till date achieved their Email Marketing goals. If you want to send transactional emails and email marketing campaigns, then bulk response is all you need. You come across a lot of options when it comes to SMTP Relay Service Providers, but BulkResponse is the cheapest in price yet equally good in service quality. With BulkResponse, you can send marketing and transactional emails to millions of people in your mailing list while bypassing your own email server. With BulkResponse SMTP Relay Service, you can have Real-Time Email Tracking, Advanced Analytics for your email campaigns, Detailed Logs to Diagnose Email Delivery Failures, Increased Deliverability Features that help in reducing bounce rates and spam complaints as well as Email Address Validation Service.Starting Price: $35 per month -
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Hexamail POP3 Downloader
Hexamail
POP3 Downloader is a high-performance, scalable, real-time POP3 connector for your mail server. It supports downloading and forwarding any POP3 or IMAP account email to any email server that supports SMTP or IMAP. Key Features: 100% Compatibility with all versions of Exchange 100% Compatibility with all SMTP servers End-user management via a web interface Antivirus and Antispam options IMAP Support (with folders) IMAP Push Support Gmail Support 1-minute scheduling No email size limits Microsoft Exchange integration without the need for a public SMTP server or static IP address Migrate or integrate unlimited external POP3 or IMAP email accounts into local mailboxes Continue receiving mail from legacy accounts during migration to a new mail server IMAP migration or IMAP sync between two IMAP servers Reliable, easy to install, and cost-effective solution Streamline your email integration processes and automate email downloads with Hexamail POP3 Downloader.Starting Price: $114/10 users -
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Daily Sender
Daily Sender
Send emails to unlimited email subscribers with just one click. With online email marketing software its easy to setup html/text campaigns, send and track. You can now track opened, unsubscribes and bounces. Software also have auto bounce processing and one click unsubscribe features. We also offer Dedicated Bulk Smtp Servers if you want to send emails with your own dedicated IPs then please click here to see our dedicated smtp server plans. Daily Sender provides a complete email marketing solution which gives our client a platform to enhance their product and grow their business. Our clients are located worldwide and use our services to send email marketing campaigns. We provide reliable delivery, scalability and real-time analytics. You are also provided with a platform where-in you can track your complete statistics. Our web-based tools help businesses grow by staying in touch with customers and prospects through email.Starting Price: $149.99 -
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SMTP Provider
SMTP Provider
Experience the next level Email Marketing at an affordable price. Use a dedicated IP address to increase your sender reputation and avoid blacklisting of your IP due to someone else’s actions. Show that it’s really your own company and domain sending the message, and minimize the amount of messages that are marked spam by using the special cryptographic signatures SPF and DKIM. Our SMTP servers send your emails using secure SSL connection. Moreover, it's lightning fast. For each mailing list, you can discover the amount of messages sent out, the number of conversions made and links clicked, and many other details. Our SMTP service generates sending reports and delivery error reports. All reports can be downloaded to your computer. Your mailings won’t be sent to any addresses on the list of recipients who have unsubscribed, even if they are on a mailing list. Make sure that your emails are delivered to the inbox and not the spam folder. -
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PriMailer
Dunes Factory
Use the full power of all your SMTPs without the hassle of multiple logins. Integrate your SMTPs and let Primailer do the rest. We cater to all our clients. In need of a limited credit-based plan or want to integrate your own SMTP to our unlimited email plan. Integrate Primailer Validator, Kickbox, Zerobounce, Thechecke, Everifier, and many more email validator services in just 2 clicks. Create your email campaign in just 4 Steps. Setup open tracking, URL tracking, and advance reoccurring on the go. Create an email autoresponder campaign based on your subscribers’ actions (campaign open/campaign sent/user subscriber). Take actions based on duplicate, distinct or missing subscribers between two lists. Easily split your subscribers of a list into multiple sublists with a single click. Sending transactional emails shouldn’t be hard with the right transaction email service. With Primailer transactional email service provider you can easily send and track emails. -
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mySMTP
mySMTP
Send email to whoever you wish with unlimited capacity and traffic. The mail server works regardless of whether you are using your desktop computer at home or a laptop, tablet or telephone while you’re on the move. Avoid blacklistings and forget maintenance, updates, down time and other hindrances. We send your email campaigns to the entire world via stable SMTP cloud servers. If you choose a dedicated SMTP cloud server, you send email using your own IP number and domain. This gives you full control of the reputation of what you send. If you need a fullscale professional system to handle email lists and make state of the art email content - we offer Mailwizz. More emails are sent than ever before and there is still no new product on the market that looks like it would be able to replace email as the direct route to the attention of the recipient. When it comes to marketing, email gets the highest marks for return on investment with regard to advertising in social media, for example. -
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SMTPBOXES.COM
SMTPBOXES.COM
It is necessary to modify your domain name system (DNS) records in order to use our service.If you don't know how, we can do this for you for FREE! We provide you with SMTP connection for your mass email client, as well as free online sending platform upon registration. It is our job to check and maintain the servers in order to serve you with 98% deliverability! Please keep recipients list hygiene. We provide reliable and flexible SMTP servers that can adapt to all kinds of situations. There are two main categories in terms of email delivery process. Mass emails and transactional emails. We encourage you to use our service for mass email campaigns, although transactional emails work as well! You just have to tell us the purpose and we will make the adjustments. Email deliverability is something that we know you care about. That is why we periodically do email marketing campaigns ourselves and track the performance.Starting Price: €23.99 per month -
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Listmailer
Listmailer
Listmailer is a professional yet simple email solution designed for people who just want to send emails. It allows you to send personalized bulk emails directly using Outlook, Gmail, or any SMTP provider—no new platform or confusing dashboards required. With ListMailer, you can safely reach your audience without triggering “Promotions” tabs, thanks to plain-text-style emails and a persistent global opt-out list that protects your reputation. Upload your contact list from CSV, Google Sheets, or Airtable, map variables for personalized messaging, and connect your preferred provider. Pay only for what you send and avoid per-contact fees or monthly SaaS traps. From small personal campaigns to larger business outreach, ListMailer offers flexible yearly pricing, unlimited emails, and high-speed sending with full SMTP freedom.Starting Price: Free -
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AuthSMTP
AuthSMTP
AuthSMTP is the outgoing SMTP email service for your e-commerce website, mailing list or email application on most current computers and mobile devices. With instant setup, a money back guarantee and very low cost starter accounts you can test and start sending email in minutes with no risk. Our systems are custom designed / built for reliability and performance when processing and delivering very high volumes of email. We use high performance and redundant systems to help ensure we can provide the highest levels of availability. We provide an online Control Panel plus email and web based support backed by knowledgable support staff on hand to provide help if required. We have over 15 years experience providing email services and getting emails delivered quickly and accurately to your recipients.Accounts are created instantly when you sign up so with our setup guides you can start sending email within minutes.Starting Price: $36 per year -
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Spam Arrest
Spam Arrest
Before using Spam Arrest, over 90% of our customers tried a spam filter on their inbox, yet spam still got through. Spam Arrest protects your mailbox from 100% of spam with a patented method for verifying relationships between you and your valued contacts, making email safe for everyone. Access your email using your favorite POP3/IMAP-compatible program (such as Outlook or Eudora), or from anywhere using our powerful webmail system. Get a new email address, as well as protect your existing mailboxes. Patented challenge, response technology blocks 100% of automated spam. Webmail allows you to access your email from any web browser, without having to install any additional software. SMTP is a standard protocol used for sending email. When you send email through the Spam Arrest SMTP server or webmail, the person you are sending email to is automatically added to your whitelist, so that they can reply to you without having to complete the verification process. -
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SpamCheetah
Gayatri Hitech
SpamCheetah is a very affordable and effective way to combat spam, malware and viruses at mail server level. It operates as an SMTP proxy and stops all kind of phishing and business email compromise at SMTP level. It uses a combination of network level techniques like greylisting, greytrapping, blacklisting, URL scanning, malware API checks and a lot more. It comes with standard email gateway features like sender and recipient based blocking, attachment size blocking, MIME type filtering and pattern based blocking alongside quarantine reports and mail metadata reports and much more. We offer trial for 30 days along with two editions, one for single mail server and one for multiple mail servers. We also offer ISO download, VMWare appliance and raw VM download options.Starting Price: $1/month/user -
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Email Jeet
Teknikforce
Email Jeet is an autoresponder system that works on PC, allowing its users to send emails right from their laptop or even a VPS. It’s a bulk emailing tool that provides its users with full control over their marketing lists and can easily import the list. Email Jeet is an email marketing software that gets its users more sales than their autoresponders. It’s an absolute newbie friendly tool. Features of Email Jeet: * It allows users to easily import and export lists without any optin requirements. * Sends email through any SMTP services. * Gets open rates and generates more sales. * Supports mail scheduling. * Sends personalized emails as well. * One can mail multiple lists and even list segments. * Compatible with SMTP and mail providers. * Supports instant and scheduling of mails. * Keeps the list clean by removing bouncing email addresses. * Detailed reporting system of click and open rates. * In-built spam score analysis for better in-boxing.Starting Price: $37/year -
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Mailgun
Sinch
Mailgun is an email automation solution that is suitable for developers. With Mailgun, users are able to access a complete cloud-based email service for tracking, sending, and receiving emails sent via their applications and websites. Mailgun supports several programming languages including Python, Ruby, PHP, Java, and C#. With Mailgun's tracking feature, users are able to track all emails and reduce the chances of getting spam.Starting Price: $0.01/month/user -
41
SendVerify
SendVerify
Email API and SMTP relay to not just send and measure email sending, but also alert and optimize. We provide you with the tools, expertise, and support needed to reliably deliver emails to your customer's inboxes on time, every time. Powerful email marketing software to send campaigns, build your list, and automate your marketing. Improve the deliverability of your email list by automatically cleaning all emails before sending them. -
42
Postmastery
Postmastery
Postmastery provides a platform for professional email monitoring that goes far beyond the obvious ‘click & open’ statistics. Postmastery’s Delivery Analytics platform processes SMTP delivery data from both on-premises mail servers and SMTP providers. It reads data from Microsoft SNDS, Return Path Sender Score and relevant blacklists. Users have access to real time dashboards and receive automatic alerts. High bounce rates, increased delivery times, junk foldering or blacklisting are serious problems in email marketing and they impact your business. Since they affect your reputation , it's best to stay ahead of them. Postmastery offers a baseline for improvement and carries out an email delivery assessment. And, if needed, our specialists provide hands-on support at infrastructure level as well. Focus on your core business and outsource your delivery monitoring to Postmastery. Email delivery experience, expertise and tooling is at your disposal via our 'email delivery control centre'. -
43
DuoCircle
DuoCircle
Reliable and secure email hosting services for SMB and Enterprise. Safely processing over 100 million emails per month for our customers. Enhanced gateway security and filtering, inbound email security, email service backup and outbound SMTP using a new high quality infrastructure for top quality results that our customers deserve. Products include, Secure email gateway, email backup MX, email forwarding, outbound SMTP and more. DuoCircle protects against phishing attack with Link Click Protection, a part of the Advanced Threat Defense Suite. You’re covered with Link Click Protection even if site content changes between clicks. You get total protection from phishing and your confidential corporate information is secured because your employees are simply prevented from visiting sites that misuse such information. You get instant feedback in the form of an alert when a suspicious link is about to be visited. -
44
Sygma
CoreTech
With Sygma you can control the Cloud in every of its aspect and organize every working process, all at the same time. Thanks to its integration with the Cloud, Sygma allows the management of Servers, Backups, Email, Email Archiving, SMTP Accounts, Storage and other services within a single platform. The Sygma Connect remote control system is included in the Pro and Unlimited versions. -
45
Login AlertX
Login AlertX
Login AlertX is a Windows security application that sends real-time email alerts whenever someone logs into or unlocks your computer. It runs quietly in the system tray and starts automatically with Windows to ensure continuous monitoring. Users can customize email notifications, including SMTP settings and message content, for personalized alerts. The software intelligently tracks login sessions to avoid redundant notifications and securely stores sensitive data locally. Upgrading to premium unlocks features like automatic webcam photo capture and audio recording at login events. Login AlertX helps users stay informed and protect their systems from unauthorized access effectively.Starting Price: Free -
46
Masto.host
Masto.host
Masto.host makes running a Mastodon server really easy. For only $6/month, you can have your own Mastodon server. It's a microblogging social network that brings the control back to your hands. Each Mastodon instance is independent, and anyone is free to run their own. Mastodon is free, and its code is open-source. Masto.host provides you with a hosting platform optimized to run Mastodon. Mastodon comes pre-installed on all Masto.host hosting plans. Servers are kept updated and run the latest stable release of Mastodon. Currently, Masto.host is in open beta. Meaning that it is still in development. Please read the terms of service to know more. The data centers used for Masto.host are from OVH and are located in France. The TLS (HTTPS) included is provided by Let's Encrypt. Each Private VLAN can only communicate with the closest VLAN (in the graph) and under a specific number of ports. The SMTP used to send notification emails is externally provided by MailGun.Starting Price: $6 per month -
47
Zentyal
Zentyal
Join Windows® clients to the domain and manage them transparently. No disruption to your users, no user or device CALs. Comes with industry-standard SMTP and POP3/IMAP mail server built upon the most established technologies and protocols. Guarantees reliable and secure Internet access and helps to manage all the basic network infrastructure services. Receive software updates until the EOL-date of each version and get support when needed. Zentyal offers an easy to use Windows Server® alternative. It comes with native compatibility with Microsoft Active Directory® allowing you to join Windows® clients to the domain and manage them easily, causing no disruption to your users. Zentyal includes the industry-standard SMTP and POP3/IMAP mail servers built upon the most established technologies and protocols. Gives you the opportunity to deploy Zentyal as a mail server, domain & directory server with mail or all-in one server.Starting Price: €195 per server -
48
MDaemon Email Server
MDaemon Technologies
The MDaemon Email Server was one of the first Microsoft Exchange alternatives offered to businesses around the world. It has been developed with the ongoing input from IT professionals seeking an easy-to-use, reliable, and secure mail server that does not require expensive administration or impose high per-user costs. It simplifies messaging and collaboration with a focus on security and privacy, an intuitive, user-friendly web mail design and by offering administrators Mobile Device Management, Business Instant Messaging, Document Sharing, and other enterprise-class features that can be managed with minimal support. MDaemon Email Server supports IMAP, SMTP, and POP3 protocols, and features include: integrated webmail with IM and document sharing, Outlook support, compromised password alerts, color-coded log files for quick and easy troubleshooting, customizable email policy setting to fit your unique network environment, Mobile Device Management, Account Hijack Detection, and more.Starting Price: $360 per year -
49
Afterlogic Aurora
AfterLogic
Groupware system for businesses and providers, backed with mobile apps. Your private cloud combining groupware, file storage and email in a single, unified environment. Clean and modern interface. Can work with your existing mail server or use its own for the complete solution. iOS/Android apps for Email and Files let your users just type their email/password and never deal with mail server settings or blocked IMAP/SMTP ports. Can be integrated with LDAP authentication or LDAP address book, along with OAuth 2.0 authentication and resources, like Google Drive or Dropbox.Starting Price: $99.00/one-time -
50
HandySends
HandySends
Cloud Communication API integration platform helps you to integrate Email, SMS, and WhatsApp functionalities with a set of free software libraries. Intuitive on-brand triggered transactional email service with powerful API or SMTP servers and with a great email framework. Send a primitive, trustworthy, customized SMS with our Transactional SMS Service, perhaps the most impressive approach to reach your clients. Send messages securely, deliver notifications, customer care on the world’s most well-known messaging application WhatsApp with HandySends APIs and programming. Trim down your bounce rate to boost performance using our real-time Email validation API resulting in better delivery.
