Michael Scheidell a écrit : > (well, lots of them do, someone send blackberry a copy of the RFC's?) > > one of our users keeps blocking emails from blackberry users due to this: > blackberry server does a 'helo 67.223.83.81' in violation of RFC's
are you sure? This is rejected at smtp level in many places. > (when > it should at LEAST do a helo [67.223.83.81]) > Spamassassin score (correctly) this as 'RCVD_NUMERIC_HELO' as it really > IS an invalid helo. > > I have seen a lot of strange things blackberry does. including go for > the highest mx record FIRST (every time), when several lower mx record > servers are available and idle, strange DNS stuff, mashing and munging > of headers. > > if this had been send to a system that checks RFC's carefully, and drops > ignorant servers on the floor it would not even have gotten in. > > received:from 67.223.83.81 ([67.223.83.81]) by 2k3exchange.local > ([192.168.1.3]) with Microsoft Exchange Server HTTP-DAV ; Fri, 20 Feb 2009 > 22:33:48 +0000 > x-rim-org-msg-ref-id:1281710162 > hmm. This is with HTTP-DAV, so SMTP RFCs are irrelevant.