We tried, but could not find /doku.php?id=doku.php.faq:everydayuse:how_do_i_post_messages_via_smtp_mail_into_a_room&do=login§ok=f9fba6e2cba3c725a69fe8f074f9d084
But hey, you don't have to leave empty handed!
Here are some things you can try instead: