Truth. These past 4 in particular.
Kurt On Wed, Feb 12, 2014 at 1:51 PM, Michael B. Smith <[email protected]> wrote: > I think that the very first script I wrote, for public consumption, was a > transport sink for Exchange 2000 that implemented a catch-all mailbox. :) > > That was a long, long, time ago... > I can still remember how... > > But things have changed in the last 15 years. :) > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of Kurt Buff > Sent: Wednesday, February 12, 2014 3:20 PM > To: [email protected] > Subject: Re: [Exchange] Spam and Postmaster Question > > Well, yes, and I believe that postmaster@ must be assigned to a mailbox. And, > as a matter of fact I do have postmaster assigned to an account here, as well > as abuse@ and security@ and a couple of others, per the RFC. > > I was only speaking to the advisability of using postmaster as a catchall > address, or using catchalls in general, and that postmaster@ is not used for > NDRs. > > Exchange is a powerful tool, and like any powerful tool can be misused, to > great detriment. > > Kurt > > On Wed, Feb 12, 2014 at 12:08 PM, Michael B. Smith <[email protected]> > wrote: >> You CAN assign the postmaster address to a mailbox, if you wish. >> >> You can also create a quarantine mailbox that is used to store certain >> kinds of spam. >> >> Exchange is quite configurable. :-) >> >> Sent from my Windows Phone >> ________________________________ >> From: Kurt Buff >> Sent: 2/12/2014 2:49 PM >> To: [email protected] >> Subject: Re: [Exchange] Spam and Postmaster Question >> >> On Wed, Feb 12, 2014 at 10:29 AM, Geoff Orlebeck >> <[email protected]> >> wrote: >>> We recently replaced a new client’s SBS 2003 with Exchange 2010 SP3 UR4. >>> There is a user asking bout gaining access to Postmaster mailbox for >>> spam review. Am I crazy, or is the postmaster only used for NDR >>> delivery/replies? >>> This client has spam filtering provided by their web host (we are >>> working on changing that as well). But she states she previously >>> accessed [email protected] for their spam emails. I just want to >>> make sure before I reply back that I’m not off base here. The >>> ExternalPostmasterAddress property is designed for NDR and not spam, >>> correct? No spam emails will go and sit in the postmaster mailbox >>> defined on Exchange….right? >> >> >> You are sort of correct.Using the postmaster@ address as a catchall is >> normally a mistake. However, NDRs are usually delivered with a null >> sender address, not with postmaster@. >> >> Well, I'd argue that using a catchall address is a mistake anyway, but >> that's a whole other discussion. >> >> See https://www.ietf.org/rfc/rfc2142.txt for recommendations and >> requirements regarding standard email system accounts (I believe this >> is still the current RFC - but I haven't kept up for a few years). >> >> See also these fairly helpful links for a bit more info: >> http://en.wikipedia.org/wiki/Bounce_message >> >> https://www.roe.ch/MTA_BCP >> >> Kurt >> >> > >
