Browse mail-mta
citadel
Groupware/Email/Jabberserver. Collaboration, Calender, BBS/Forum, Chat with easy install and usagecourier
An MTA designed specifically for maildirsdma
esmtp
esmtp is a user configurable relay-only Mail Transfer Agent (MTA) with a sendmail compatible syntaxexim
A highly configurable, drop-in replacement for sendmaillibcitadel
masqmail
mini-qmail
a small null client that forwards mail via QMQP to a full qmail servermini_sendmail
msmtp
An SMTP client and SMTP plugin for mail user agents such as Muttnbsmtp
Extremely simple MTA to get mail off the system to a relayhostnetqmail
qmail -- a secure, reliable, efficient, simple message transfer agentnullmailer
Simple relay-only local mail transport agentopensmtpd
postfix
A fast and secure drop-in replacement for sendmail.qmail-ldap
qmail -- a secure, reliable, efficient, simple message transfer agentqpsmtpd
qpsmtpd is a flexible smtpd daemon written in Perlra-plugins
sendmail
Widely-used Mail Transport Agent (MTA)ssmtp
Extremely simple MTA to get mail off the system to a Mailhub