Re: Are AOL's MXs mass rejecting anyone else's emails?

[Suresh Ramasubramanian <suresh () outblaze com>]

Robert Blayzor wrote:
> I'm not calling them out on it, I'm just stating that rejecting mail
>  with a 500 series error due to a PTR record not being looked up will
>  cause more problems and benefit.  Temporary DNS errors do occur so 
> slapping mail with a 500 could and will reject legit mail.  Of
> course, AOL can do whatever they please....

AOL has a "may" in that caveat ...

> Effective immediately:  AOL may no longer accept connections from IP
> addresses which have no reverse-DNS (PTR record) assigned.

That should help you put things in perspective, I guess.

        srs