Quoting Russell Robinson (from 15/05/10 14:17):
> I've got:
> require verify = sender
>
> and I've assumed it's been working OK.
>
> Recently tested: it always succeeds - i.e. allows invalid senders.
If you have an "accept" stanza higher up in your config, and the
"require" lower down, then the chances are you are fully accepting the
message without going through this test at all.
Just put a copy of the "verify = sender" clause in your "accept" stanza.
-jim