.mutt/msmtprc

   1 account net
   2 host mail.martlubbers.net
   3 port 587
   4 auth on
   5 tls on
   6 tls_certcheck off
   7 passwordeval gpg -qdb --use-agent ~/pw/mail.asc | grep -A4 "^mart@martlubbers.net" | grep -Po "(?<=pass: ).*"
   8 from mart@martlubbers.net