Andrew Norris wrote: > John Kordash wrote: >>> mail.bobhoffman.com != bobhoffman.com >> >> Careful here. Email senders have nothing to do with MX records. >> Email receivers do. >> >> I believe bobhoffman.com is the email sender in this case. >> >> I would doubt this is an issue. Any split in/out mail server is >> going to have a different host for receipt (MX) than send. >> >> -John > > You're right, I was making an assumption I shouldn't have. Namely > that there was a single host/ip for both sending and receiving email. > Going back to the logs he posted I'd say that assumption was correct > in the end. > > From the yahoo headers: > "Received: from 72.35.68.59 (EHLO mail.bobhoffman.com)" > > So his MTA is EHLOing as mail.bobhoffman.com > mail.bobhoffman.com resolves to 72.35.68.59 (matches the incoming ip) > 72.35.68.59 reverses to bobhoffman.com (which doesn't match the host) > > As far as I can tell this will hurt his score. > Or am I missing something? > If that were the case, every domain would need a unique IP address and we'd be long out of numbers. John Hinton