Postfix - Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
sSMTP - sSMTP is a simple MTA to deliver mail from a computer to a mail server.
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
Sendmail - Sendmail is a general purpose internetwork email routing facility that supports many kinds of...
SoftMaker Office - SoftMaker Office is one of the most powerful and reliable office suite that is fully compatible with the MS Office Suite.