swaks
SMTP command-line test tool
Description
swaks (Swiss Army Knife SMTP) is a command-line tool written in Perl for testing SMTP setups; it supports STARTTLS and SMTP AUTH (PLAIN, LOGIN, CRAM-MD5, SPA, and DIGEST-MD5). swaks allows one to stop the SMTP dialog at any stage, e.g to check RCPT TO: without actually sending a mail. If you are spending too much time iterating "telnet foo.example 25" swaks is for you.Upload more screenshots
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Homepage
https://www.jetmore.org/john/code/swaks/
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