At 15:37 -0500 4/20/10, Larry Sheldon wrote:
To minimize unwarranted hassle, if you will have email senders, spend some time looking into the "requirements". I don't think there are any RFC or other authoritative standards in the matter.
This is as close as the IETF has come to a document. http://tools.ietf.org/html/draft-ietf-dnsop-reverse-mapping-considerations-0... That document has been expired for 3 years, meaning, no one has updated it, no one has tried to get a steering committee broad review (IESG approval), etc. -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Edward Lewis NeuStar You can leave a voice message at +1-571-434-5468 Wouldn't it be nice if all of the definitions of equivalence were the same?