Hi, >> $ host S253906HZ1EW06.usstls6-hosting.savvis.net >> Host S253906HZ1EW06.usstls6-hosting.savvis.net not found: 3(NXDOMAIN) > > Err, you're doing rDNS lookup for the connecting host's IP, not the > rather arbitrary HELO as you just did.
Okay, understood. I'm able to resolve that IP, though: $ host 209.16.192.170 170.192.16.209.in-addr.arpa domain name pointer Lanyon.com. The postfix resolv.conf is the same as the one in /etc. > If there really is no way to use whitelist_from_rcvd, you of course > always can write custom header rules, matching against the pseudo header Yes, thought of that too, but agree that is not an ideal solution. Could there be another cause? Thanks, Alex
