On Thu, Jun 24, 2010 at 12:20:23AM +0200, mouss wrote: > This mail is coming from postini. if you use postini, there's nothing > you can do with the envelope (and even if you do content filtering, you > shouldn't reject mail. it's too late).
Postini implement an SMTP proxy, not a store-and-forward relay,
so rejecting mail is still OK, but client IP checks are not very
useful, checks based on the envelope sender domain, ... may
still be useful in some cases.
--
Viktor.
