Hi Wietse, >> I have some confusion about multiple reverse PTR records per IP. > > You need only one. > > The name (from the address->name) lookup must resolve to the address.
I am still confused. Like my example below, what happens if I want to setup a single mail server that hosts mail for 20 different domains? I am told that 18 of those domains will be blacklisted and SMTP will fail because the lookup wont grab the right record..... -Jason > Wietse > >> Comcast has told me that they can only assign 2 reverse PTR records per IP. >> >> So if I have mail.domainA.com and mail.domainB.com this is fine. If the re >> -verse lookup is done and it is not correct, it will retry and get the second >> - record and all is well. >> >> How do people then run a large mail server with many domains? I have about >> - 10 domains that need e-mail and I wanted to build a single mail server to h >> -andle this. But now I guess it can't be done? >> >> What is my best way to accomplish this? I dont want a lot of machines clut >> -tering up my apartment and consuming massive electricity until my startup is >> - off the ground.. >> >> Best, >> -Jason >> >