Open Source C Mail Transfer Agents
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C Mail Transfer Agents
View 45 business solutionsBrowse free open source C Mail Transfer Agents and projects below. Use the toggles on the left to filter open source C Mail Transfer Agents by OS, license, language, programming language, and project status.
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Gemini 3 and 200+ AI Models on One PlatformBuild generative AI apps with Vertex AI. Switch between models without switching platforms.
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Go from Code to Production URL in SecondsSkip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
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The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, Webmail, calendaring, and mailing list services.
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YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!
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ESMTP MTA is a user configurable relay-only MTA with a sendmail-compatible syntax, based on libESMTP and supporting the AUTH (including the CRAM-MD5 and NTLM SASL mechanisms) and the StartTLS SMTP extensions.
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An advanced qmail distribution based on qmail-sql which has SMTP, SMTPS, POP3, POP3S, IMAP, IMAPS services, a content scanner, spoofing protections, SMTP AUTH support, SMTP-after-POP/IMAP, PHP5 API, SPF support and much more...
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Stop Storing Third-Party Tokens in Your DatabaseRolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
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Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support
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AISK is an acronym for Artificial Intelligence Spam Killer. It is a server side filter that acts as a kind of PROXY and uses SMTP to communicate with MTA. Main decision mechanism is based on artificial neural network capable of finding patterns, learning
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ASMMS -- Anonymous SMTP Mail Message Sender ... is an simple mta, written in C, for sending mails through mail servers, which have no authentication (AUTH). It should work on nearly all POSIX systems, tested only with SunOS, Linux and HPUX.
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SORBS - Spam and Open Relay Blocking System - NOT http://www.sorbs.net/ This project is to provide a SMTP proxy that automatically checks incoming SMTP connections for origination from a server with an unsecured SMTP server and/or Proxy server.
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MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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This project aims to be a personal data storage and administration system. It will be an advanced system for information and electronic mail management. The server will be accessible to any IMAPv4 compatible mail client.
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CRM114 MILTER
CRM114 milter for sendmail
This is a milter which scans emails with CRM114 -
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The complete mail system consist of mail client written in php and mail transfer agent written in c language.
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The EZ-qmail distribution is an EZ method for hobbyists / small businesses to try the qmail system for mail delivery. It provides an EZ to install, modern (patched) and working (integrated) qmail system onto which additional functionalities can be added
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F1-Mailer : A simple Mailer in command line for windows users with MIME format. F1-Meiler allows people sending emails via SMTP relaying servers on the Web, with mail attachement. File attachment and email dating support. A tool to begin in Web/SMTP.
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FLex Smtp Server is a Fast, Lightweight EXtendable Smtp Server. While having basic protocol support, is aimed to manage heavy traffic also in a burst modality.
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FMTA is a simple SMTP/POP3 server designed to run on Fox boards (Fox board is a small but powerful embedded computer running a complete GNU/Linux system).
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Forpost is an embeddable, interpreted stack-based(Forth-like) language which has simple, compact and effective implementation in ANSI C. Main features: heterogeneous arrays, higher-order functions, program/data equivalence.
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Fork of the OpenBSD spamd for the FreeBSD operating system. See http://www.openbsd.org/spamd/ for the original spamd documentation. Please, report there only FreeBSD related bugs. If you want join to the project - write mail to the samm user.
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IDMS DBMA is an effort to develop a highly scalable (c10k complient) plugin based mail agent aimed at fighting spam & viruses. Hopefully replacing hard-to-maintain, complex, resource hungry configurations used by small to large users today.
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IVS Milter is a plugin based content filtering milter. It currently supports... Virus (ClamAV) & Spam (SpamAssassin) scanning, Content-type, Attachment type & Attachment filename matching
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InfinyMail is an ODMR (RFC 2645) implementation, consisting of client and server. The client request its mail to the provider (ISP's MTA) via ODMR protocol.
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KQ-Mail is a modular SMTP mail server using kernel queues to communicate between modules. In it\'s basic mode it is ideal to sit between the internet and your primary mail server to provide a buffer and or a SMTP RFC enforcement engine
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LIBBY (Little Internet's Best Basic Yabber) is a simple SMTP server for home users or users of a small local network. Easy configuration and security are major features.
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MSWeb is a client for Microsoft's Outlook Web Access (OWA). It is intended to deliver mail from a MS exchange server to a UNIX computer. For those who are opposed to 50 MB mailreaders.
