>> qmail, as best I can recall, doesn't include rDNS in its Received: >> headers (although there's probably a patch somewhere out there to do so) > > So maybe that's the cause.
The fix is easy. The problem is you've chosen the defaults in the qmail install: change /service/smtpd/run to call tcpserver with "-h" instead of "-H", restart it, and it will then do the required DNS lookups. -- Cheers Jason Haar Information Security Manager, Trimble Navigation Ltd. Phone: +1 408 481 8171 PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
