mailsend-go is a command line tool to send mail via SMTP protocol. This is the golang incarnation of the C version of mailsend. However, this version is much simpler and all the heavy lifting is done by the package gomail.v2
- - mailsend-go is the most popular Windows, Mac & Linux alternative to sendEmail.
- - mailsend-go is the most popular Open Source & free alternative to sendEmail.
Blat is a small, efficent SMTP command line mailer for Windows. It is the SMTP sending part of an eMail User Agent (MUA) or eMail client. As such, Blat sends eMail via SMTP (or internet eMail) from the command line, or CGI.
sSMTP is a simple MTA to deliver mail from a computer to a mail server. sSMTP is simple and lightweight, there are no daemons or anything hogging up CPU; Just sSMTP. Unlike Exim4, sSMTP does not receive mail, expand aliases, or manage a queue.Discontinued
The last update was in 2013.
CMail is a command line e-mail sending tool. It was originally developed to assist with testing mail server and content analysis software. As a result, CMail provides many more message formatting and SMTP session control options than similar software.
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.Discontinued
The last update was in 2009.
You can send the mails via an smtp server, such as blat, supports authentication and ssl. In addition, he can also send emails via the OWA interface (i.e. the Exchange Server can also be used for external sending if the OWA is published).