Cyrus IMAP vs OpenSMTPD
A side-by-side look at Cyrus IMAP and OpenSMTPD. For an in-depth review of either product, follow the links below.
Cyrus IMAP
Office & Productivity
Cyrus IMAP is an open source email and calendar server that supports IMAP and POP3 protocols. It is secure, scalable, and offers advanced email features for enterprises and service providers.
imappop3email-server
OpenSMTPD
Network & Admin
OpenSMTPD is an open source SMTP server daemon for Linux and BSD operating systems. It aims to be a free, secure, and featureful SMTP server for both hosting providers and end users.
smtpmail-serveremaillinuxbsdopen-source
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