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