Judging by the above log example the double-bounce message is processed by the cleanup as well. I guess that's the point where the resolving happens for the prob.
<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Без вирусов. www.avast.ru <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> пт, 12 февр. 2021 г. в 19:43, Eugene Podshivalov <yauge...@gmail.com>: > Wietse: >> smtpd does not resolve any mappings. > > If a sender address is mapped to some other virtual alias, how does it > know which address to probe then? > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > Без > вирусов. www.avast.ru > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > <#m_-5821397276178633302_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > пт, 12 февр. 2021 г. в 19:32, Wietse Venema <wie...@porcupine.org>: > >> Eugene Podshivalov: >> > Another somewhat related question is: in order to probe the smtpd needs >> to >> > resolve all virtual etc. mappings which is also done by the cleanup. Is >> > this resolution done twice in this case? >> >> smtpd does not resolve any mappings. >> >> Instead it makes a safe guess to reject most non-existent recipients. >> This guess must be safe because it must not reject any valid recipient. >> >> Wietse >> >>
