``` 13:29:04 INFO L568:autoresponder.reply() Got an email; deciding whether to reply. 13:29:04 DEBUG L606:autoresponder.runCheck() Canonicalizing client email domain... 13:29:04 DEBUG L613:autoresponder.runCheck() Canonical email domain: gmail.com 13:29:04 ERROR L620:autoresponder.runCheck() SMTP/Email canonical domain mismatch! ponticum vs gmail.com ``` The last line is generated by: ``` # The canonical domains from the SMTP ``MAIL FROM:`` and the email # ``From:`` header should match: if self.incoming.canonicalFromSMTP != canonicalFromEmail: logging.error("SMTP/Email canonical domain mismatch!") return False ``` and canonicalFromSMTP is provided by SMTPMessage(). I'm hotfixing it for now.