Send email with attachment
echo one | mutt -x -a /etc/passwd -s "check your mail" ana@host.com
Example of config file
set use_envelope_from # a boolean value, you can deselect it with set nouse_envelope_from set envelope_from_address= "alice@beyond-the-mirror.org"
Send email with custom envelope address
mutt -F config -s "Check" destination@example.org