On 21/08/2014 10:21 AM, Trent W. Buck wrote: > Jason White <[email protected]> writes: > >> Trent W. Buck <[email protected]> wrote: >>> These are all post-DATA. You should be rejecting as much as possible >>> BEFORE then, using postscreen, a null MX, a tarpit MX, and so on. >> >> I agree that this is preferable. I've also heard positive comments about >> grey-listing. > > I currently use greylisting for 1s because my postfix version predates > postscreen :-( The good folk of #postfix on Freenode told me (IIRC) > that postscreen should obviate the need for greylisting. > > We have to turn greylisting off for Telstra because they have a mail > farm, and when postgrey says "try again later", they try from a > different node in the farm and so get told "try again later" again.
There's a bunch of mail servers that do the same thing. You've got to whitelist Optus, Gmail and lots more.... I also use greylisting. Cheers A. _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
