msmtp: Msmtp (An SMTP client)
msmtp:
msmtp: msmtp is an SMTP client that can be used as an "SMTP plugin" for Mutt
msmtp: and probably other MUAs (mail user agents). It forwards mails to an SMTP server
msmtp: (for example at a free mail provider) which does the delivery.
msmtp: To use this program, create a configuration file with your mail account(s)
msmtp: and tell your MUA to call msmtp instead of /usr/sbin/sendmail.
msmtp: Features include: SMTP authentication methods PLAIN, LOGIN and CRAM-MD5,
msmtp: TLS encrypted connections, IPv6 support, DSN (Delivery Status Notification) support,
msmtp: SMTP pipelining support (allows faster transmissions), support for multiple accounts,
msmtp: sendmail compatible exit codes (which most MUAs understand).