On 05 Sep 2016, at 13:48, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: > > Why *sender* access? That is surely a recipient address.
I don’t have a recipient_access file. I do have sender_access.prce in stmpd_recipient_restrictions though. > Secondly, why use regular expressions, when indexed files will do: > > user+vis...@domain.tld REJECT 5.1.1 Mailbox unavailable So make a new recipient_access file and add check_recipient_access to smtp_recipient_restrictions? I’ll give that a go then.