tyru@hoge.localdomain→tyru.exe+tyru-at-hoge@gmail.com みたいにしてどこから送られてきたかもアドレスに含める設定。 /etc/postfix/main.cf mydomain = localdomain myhostname = hoge.localdomain myorigin = $myhostname # Relay to GMail mydestination = relayhost = [smtp.gmail.com]:587 # Append this host's domain to a mail w/o domain. append_at_myorigin = yes # Append '.localdomain' to a locally-sent mail. append_dot_mydomain = yes # Re