esmtp Alternatives
esmtp
esmtp is a user configurable relay-only Mail Transfer Agent (MTA) with a sendmail compatible syntax. It's based on libESMTP supporting the AUTH (including the CRAM-MD5 and NTLM SASL mechanisms) and the StartTLS SMTP extensions.
Best Free esmtp Alternatives
Looking for other esmtp-like programs? We've rounded up our favorites esmtp alternatives. Try any one of these fan favorites to see if they'll support your system and meet your specific needs.
Postfix
FreeOpen SourceMacLinuxPostfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. The software is also known by...
Sendmail
FreeOpen SourceMacLinuxSendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol...
NikaMail
FreeOpen SourceMacLinuxNikaMail is a portable, extendable, zero-config email server. It is designed to perform automation tasks, provide access to mailboxes (port 110), serve as a mail...
Features:
- Exchange email
- Email Server
- POP3 Support
sendEmail
FreeOpen SourceMacWindowsLinuxsendEmail is a lightweight, command line SMTP email client. If you have the need to send email from a command line, this free program is perfect: simple to use and...
Features:
- Command line interface
- Scripting
- SMTP
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