matthias leisi zgntrrkhleisinet begin pgp signed message hash sha1 michael scheidell schrieb postini uses clients set 4 real mx records priority 100200300400 point real postini servers set priority 500 points firewalled smtp server client firewalled world except postini get information see postini customers four mx records priorities mentioned none fifth mx record postinis recommended procedure customers retain control dns records new requirement service matthias begin pgp signature version gnupg v146 darwin id8dbqfhvtzkxbhw2nyiokraocjaj9amucynmt5enbil5if3esz0cwm0wcfauj3 czor6xz5rjwtqfn81fngis0 nvsz end pgp signature thu 07 aug 2008 140314 0100 ot bogus mx opinions