Cyrus IMAPThe Cyrus Team
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Related Products
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About
Cyrus IMAP is an email, contacts and calendar server. Cyrus is free and open source.
Features:
Speed
Security
Efficiency
Search
CardDAV and CalDAV support
Robust data storage
Replication
Scalable for large installations
Flexible filtering support through Sieve
Supports antivirus and antispam toolkits
Handles deliverability: SPF, DKIM, DMARC
Extensive authentication options, through Cyrus SASL
JMAP support
Long list of supported standards
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About
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.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Anyone interested in an open source mail and calendar server
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Audience
Companies looking for an advanced Mail Server platform
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and VideosNo images available
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Screenshots and Videos |
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Pricing
Free
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationThe Cyrus Team
Founded: 1993
www.cyrusimap.org
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Company InformationOpenSMTPD
www.opensmtpd.org
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
CentOS
Debian
Fedora
Red Hat Enterprise Linux
Ubuntu
openSUSE Leap
openSUSE MicroOS
openSUSE Tumbleweed
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Integrations
CentOS
Debian
Fedora
Red Hat Enterprise Linux
Ubuntu
openSUSE Leap
openSUSE MicroOS
openSUSE Tumbleweed
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