msmtp vs OpenSMTPD
A side-by-side look at msmtp and OpenSMTPD. For an in-depth review of either product, follow the links below.
msmtp
Network & Admin
msmtp is a command line SMTP client that can be used to send emails from the Linux command line or scripts. It is lightweight, easy to configure, and supports SMTP authentication, TLS encryption, several mailbox formats and more.
commandlinesmtpemailscripts
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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