mta

Name Category Description
fcron sys-process A command scheduler with extended capabilities over cron and anacron
msmtp mail-mta An SMTP client and SMTP plugin for mail user agents such as Mutt
opensmtpd mail-mta Lightweight but featured SMTP daemon from OpenBSD
ssmtp mail-mta Extremely simple MTA to get mail off the system to a Mailhub

Thank you!