swaks

• https://github.com/jetmore/swaks

• yum info swaks
• brew install swaks

swaks -t user@example.com -s smtp.gmail.com:587 -tls -a LOGIN

Related

swaks -4
check_nuki.sh

See also

• Swaks, check_nuki.sh
• Mail, SMTP, submission, SMTPS, POP, IMAP, StartTLS, Exim, Postfix, IRedMail, Fail2ban, Dovecot, Roundcube, DKIM, SPF, DMARC, MX, ssmtp, mailx, Swaks