Doug Hardie:
> I am running a mail server that has a few local recipients and a bunch of
> forwarded recipients for one domain. All is working properly. However,
> there are some log messages that I find confusing. The server receives many
> messages delivery attempts where the user is not included in the
> virtual_alias_maps. All but one of them receive log messages like
>
> Recipient address rejected: unverified address
>
> That makes sense. However, one of them receives
>
> Recipient address rejected: User unknown in virtual alias table
>
> I don't see what is different for this particular user. They all
> have the same domain which is the only one in virtual_alias_domains.
> It appears that that message made it through the smtpd check as
> if the user was in the virtual_alias_maps. That user id does not
> appear anywhere in the postfix configuration. Am I interpreting
> these messages correctly?
>
> One possible issue with this user was that that id was originally
> not in virtual_alias_maps and was added. There were no such log
> messages before that. They were listed in the unverified address
> listing. After adding the user, there were no log messages and
> mail was delivered. Later the address was removed from
> virtual_alias_maps and then the unknown messages started. Postfix
> was re-started after that change was made (not a reload).
Without actual configuration and actual (anonymized)
logs, it's anyone's guess what is/was happening.
Wietse