On 18/01/17 21:50, Heiko Schlittermann wrote: > Evgeniy Berdnikov <[email protected]> (Mi 18 Jan 2017 21:56:49 CET): > … >>> - I'll start with: you don't want it at RCPT or earlier >>> because that will impact sender-verify callbacks. >> >> Exactly. Session with "MAIL FROM: <>" may be a sender verification >> callback, so in this case we want to send clear 2xx responses to RCPTs >> as client expects, suppressing 4xx codes from greylisting engine. >> That's why greylisting is postponed until DATA command received. > > Ah. Got it. Thank you. > > Side note: we should have: > > --> MAIL FROM:<> > <-- 250 OK > --> VRFY [email protected] > <-- 250 OK [email protected] accepts mail from <> > --> QUIT > > This would avoid all that clumsy sender-verification-de-impact > hacks.
We don't at present. In effect, both VRFY and EXPN are dead (though there is support for dealing with received ones). -- Cheers, Jeremy -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
