OK, doesn't let me adjust that from the EMC.
On Wed, Apr 9, 2014 at 9:36 AM, Kennedy, Jim <[email protected]>wrote: > On your outgoing mail connector on the general tab. ‘specify the fqdn > this connector will provide in response to…..’ > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Steve Ens > *Sent:* Wednesday, April 9, 2014 10:33 AM > *To:* [email protected] > *Subject:* Re: [Exchange] Relaying > > > > So I am also looking into DNS and my hoster tells me this... > > > > DNS is fine. Forward: > > > > mail.aptn.ca. 7200 IN A 139.142.213.125 > > > > Reverse: > > > > 125.213.142.139.in-addr.arpa. 86400 IN PTR mail.aptn.ca. > > > > But the banner on the server is the .local name: > > > > Trying 139.142.213.125...Connected to mail.aptn.ca.Escape character is > '^]'.220 aptnexch.aptn.local Microsoft ESMTP MAIL Service ready at Wed, 9 > Apr 2014 > > 07:13:45 -0500 > > > > How do I change my banner on my local server? > > > > On Tue, Apr 8, 2014 at 9:55 PM, Steve Ens <[email protected]> wrote: > > I think Don has not been in this conversation yet, and i do use Vipre for > backscatter and spam protection. I don't think having 600 messages > undelivered in the queue is reasonable. We have been blacklisted a couple > of times and been delisted so far. I also have all traffic on port 25 > blocked out of the firewall except for the Exchange box. I'm looking at the > smtp logs and can;t seem anything off yet. > > > > On Tue, Apr 8, 2014 at 7:07 PM, Richard Stovall <[email protected]> wrote: > > I think this answer is correct in some circumstances, but not > universally by any means. Don, do you have any backscatter protection > enabled? This would eliminate these as NDRs resulting from spam from > spoofed addresses you own. If you don't have backscatter protection, my > guess is that spam which does spoof existing addresses would be far more > problematic than that which does not. > > > > On Tue, Apr 8, 2014 at 7:13 PM, Mike Tavares <[email protected]> > wrote: > > the sender <> is normal exchange NDR’s being delivered. Since your > exchange server is authoritative for you domain any messages addressed to > non existent email address will cause these, since a lot of spam has bogus > address you tend to see them sitting in your ques for a while. They will > eventually time out and go away on their own. > > > > Nothing to worry about. > > > > > > *From:* Steve Ens <[email protected]> > > *Sent:* Tuesday, April 08, 2014 4:30 PM > > *To:* [email protected] > > *Subject:* [Exchange] Relaying > > > > I'm running exchange 2010 here with all the service packs. I think that I > must have misconfigured one of my receive connectors. I know I am not an > open relay from the outside, but I think I have a machine inside my network > that is compromised and using exchange to send out since I have many > messages sitting in my queue that are undeliverable. Any suggestions as to > how I'd determine from which IP these messages are originating? The sender > always looks like <> I've opened up the message tracking logs, but can't > find any incriminating evidence there. > > > > > > >
