courier An MTA designed specifically for maildirs
esmtp User configurable relay-only Mail Transfer Agent with a sendmail-like syntax
exim A highly configurable, drop-in replacement for sendmail
msmtp An SMTP client and SMTP plugin for mail user agents such as Mutt
netqmail qmail -- a secure, reliable, efficient, simple message transfer agent
notqmail Collaborative open-source successor to qmail
nullmailer Simple relay-only local mail transport agent
opensmtpd Lightweight but featured SMTP daemon from OpenBSD
postfix A fast and secure drop-in replacement for sendmail
protonmail-bridge Serves ProtonMail to IMAP/SMTP clients
qpsmtpd qpsmtpd is a flexible smtpd daemon written in Perl
sendmail Widely-used Mail Transport Agent (MTA)
ssmtp Extremely simple MTA to get mail off the system to a Mailhub


Packages: 13

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