Log Message:
Changes 1.4.0:
- This is the new stable release of msmtp.
  BEWARE: When upgrading from 1.2.4, note that
  - Authentication is not enabled automatically anymore! Insert the command
    "auth on" into account definitions that need it.
  - Some command line options have changed!
- Summary of new features since 1.2.4:
  - Sendmail compatible command line options, including -t, -N, and -R
  - New long options to configure almost everything on the command line
  - Optional account selection with -f/--from
  - Support for a system wide configuration file
  - Optional automatic construction of envelope from addresses
  - More flexible account definitions
  - Configurable connection timeouts
  - Improved log file logging
  - Syslog logging
  - Improved TLS/SSL support
  - Support for LMTP
  - Support for the EXTERNAL and GSSAPI authentication methods
  - Support for .netrc and password prompting
  - Rewritten documentation, available in various formats