>this seems to be the problem. I tried adding the long lists of headers but >that put too much strain on my server that process 250,000 messages a day.
For that volume, I always recommend running IMGate alone as MX, and moving content-scanning (aggressive header/body checks, AV) to an intermediate box, and then finally the mailbox server. >Any help would be appreciated. You could probably tighten up your envelope rejection significantly to reduce what the content-scanning has to look at. what is your pflogsumm rejection rate? Len
