> On 23 May 2018, at 09:24, /dev/rob0 <r...@gmx.co.uk> wrote: > > On Wed, May 23, 2018 at 08:39:08AM -0700, Doug Hardie wrote: >> 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 > > This was rejected by the reject_unverified_recipient smtpd > restriction, after an attempt to verify the address failed. > >> That makes sense. However, one of them receives >> >> Recipient address rejected: User unknown in virtual alias table > > This was rejected by the reject_unauth_destination smtpd > restriction, probably in smtpd_relay_restrictions, and means that > the domain was found in virtual_alias_domains, but the address did > not resolve via v_a_maps to an address NOT in v_a_domains. > >> I don't see what is different for this particular user. > > Is it a "user" or just a non-existent address? If the former, you > have a problem. If the latter, it's fine.
It is a non-existent address and is fine. It's just surprising that one of the non-existent addresses gets a different log message. The only thing I can think of is that the originator has a non-printing character somewhere in the address.