olimits7 - 2:00 pm on Apr 12, 2013 (gmt 0)
Yes, I have reverse dns also configured.
No, it's on a dedicated server using a static IP address.
Yes, DNS passes all online checks.
No, it is not listed on any blacklists; I checked on mxtoolbox.
How can I check if the IP block to see if its marked as 'portable'?
I'm looking into signing up with ReturnPath, it looks like if I were to get certified with them I would have a higher level of inbox delivery. I guess its worth a try.