swaks

Swaks is a scriptable, transaction-oriented SMTP test
tool. Features include:

SMTP extensions including TLS, authentication, pipelining, and
XCLIENT
Protocols including SMTP, ESMTP, and LMTP
Transports including UNIX-domain sockets, internet-domain sockets
(IPv4 and IPv6), and pipes to spawned processes
Completely scriptable configuration, with option specification via
environment variables, configuration files, and command line


          

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License: GPL-2.0-only
URL: http://jetmore.org/john/code/swaks/