Allowing NDRs from <> is a requirement of the SMTP specification. As usual, spammers abuse the spec to get away with what they want. You need to get yourself an intelligent spam filter.
-- ME2 On Thu, Jul 16, 2009 at 4:27 PM, Benjamin Zachary - Lists<li...@levelfive.us> wrote: > I have massive amounts of garbage, the queues are filled with undeliverables > from <> that have nothing but &^$^%$&^&)&#@ in them. Why would Exchange > even queue this stuff they don’t even appear to be ‘valid’ emails with a > from/to or anything afaik. > > > > Anyway, I have to let them go through submission and then remove no/ndr > every 10k or so. > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
