All I can suggest is turning up the logging, based on the error message I believe you'll find their mail server is the one doing the rejecting though. If you know these blokes, you might want to let them know they're missing a PTR for that a record as well.
> -----Original Message----- > From: Chris H [mailto:[EMAIL PROTECTED]] > Sent: Monday, July 22, 2002 1:14 PM > To: Exchange Discussions > Subject: Re: Does this mean what I think it means > > to 62.190.181.66 (smtp.foodbrokers.co.uk) > > ----- Original Message ----- > From: "Chris Scharff" <[EMAIL PROTECTED]> > To: "Exchange Discussions" <[EMAIL PROTECTED]> > Sent: Monday, July 22, 2002 1:39 PM > Subject: RE: Does this mean what I think it means > > > > And where, on that connections tab do you have the mail being sent? > > > > > -----Original Message----- > > > From: Chris H [mailto:[EMAIL PROTECTED]] > > > Sent: Monday, July 22, 2002 12:02 PM > > > To: Exchange Discussions > > > Subject: Re: Does this mean what I think it means > > > > > > for the foodbrokers.co.uk address it is not going through the > interscan > > > smtp > > > box as I added that custom email domain setting on the connections tab > of > > > my > > > imc. Normally yes, though. > > > > > > ----- Original Message ----- > > > From: "Chris Scharff" <[EMAIL PROTECTED]> > > > To: "Exchange Discussions" <[EMAIL PROTECTED]> > > > Sent: Monday, July 22, 2002 12:41 PM > > > Subject: RE: Does this mean what I think it means > > > > > > > > > > 220 > > > > > > > > ***************************************************22*****2002***********0 > > > *0 > > > > 0 **************** > > > > > > > > Above is the SMTP 'banner' I get when I connect to their mail > server... > > > It's > > > > indicative of a Pix with the mail fixup protocol enabled. Is all of > your > > > > SMTP traffic set to forward to the interscan box? I wouldn't have > > > thought > > > > that based on the error message. > > > > > > > > > -----Original Message----- > > > > > From: Chris H [mailto:[EMAIL PROTECTED]] > > > > > Sent: Monday, July 22, 2002 11:36 AM > > > > > To: Exchange Discussions > > > > > Subject: Re: Does this mean what I think it means > > > > > > > > > > Actually my session ends after a timeout after I send the MAIL > > > > > FROM:<[EMAIL PROTECTED]> command. > > > > > BUT I get this exact same behavior for another address > (SUPERVALU.COM) > > > > > that > > > > > I am getting 550's from. Only these 550's are being generated by > my > > > > > Interscan SMTP box and not the Exchange Server's IMC as with > > > > > foodbrokers.co.uk. > > > > > With that one I can go to their SMTP server and get the 250 OK > after > > > > > submitting the RCPT TO: info. > > > > > > > > > > How did you know there was a PIX involved? I always see lots of > > > messages > > > > > on > > > > > the list regarding settings on the PIX interfering with mail. Is > this > > > a > > > > > two-way problem or only a hassle to the incoming mail server? > > > > > > > > > > ----- Original Message ----- > > > > > From: "Chris Scharff" <[EMAIL PROTECTED]> > > > > > To: "Exchange Discussions" <[EMAIL PROTECTED]> > > > > > Sent: Monday, July 22, 2002 12:29 PM > > > > > Subject: RE: Does this mean what I think it means > > > > > > > > > > > > > > > > If you're getting that far with smtp.foodbroker.co.uk you're > doing > > > > > better > > > > > > than me[1]. It doesn't necessarily mean that the user exists, > but > > > does > > > > > mean > > > > > > that the server didn't reject the message during the SMTP > > > conversation > > > > > as > > > > > > one would expect during based on the error message reported: > > > > > > > > > > > > > > > > > MSEXCH:IMS:KAO:AJC:KAO-AJC-WEB2 3550 (000B09AA) 550 > > > > > > > > > > > <[EMAIL PROTECTED]>... User unknown > > > > > > > > > > > > You might try turning up protocol logging on the IMS and > resending > > > the > > > > > > message to see exactly what machine is rejecting the message. > > > > > > > > > > > > []1 fscking pix. > > > > > > > > > > > > > -----Original Message----- > > > > > > > From: Chris H [mailto:[EMAIL PROTECTED]] > > > > > > > Sent: Monday, July 22, 2002 11:19 AM > > > > > > > To: Exchange Discussions > > > > > > > Subject: Re: Does this mean what I think it means > > > > > > > > > > > > > > One more thought then . . . > > > > > > > > > > > > > > What would you say it means when I get that message (550) but > if > I > > > > > connect > > > > > > > to that server, port 25 via telnet and submit a RCPT > > > > > > > TO:<[EMAIL PROTECTED]> and I get back a 250 OK? That > means > > > the > > > > > user > > > > > > > does exist doesnt it?? > > > > > > > > > > > > > > > > > > > > > ----- Original Message ----- > > > > > > > From: "Chris Scharff" <[EMAIL PROTECTED]> > > > > > > > To: "Exchange Discussions" <[EMAIL PROTECTED]> > > > > > > > Sent: Monday, July 22, 2002 11:26 AM > > > > > > > Subject: RE: Does this mean what I think it means > > > > > > > > > > > > > > > > > > > > > > The message is never received by the recipient's server, but > > > instead > > > > > > > > rejected during the transmission of the message. > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > > From: Chris H [mailto:[EMAIL PROTECTED]] > > > > > > > > > Sent: Monday, July 22, 2002 10:24 AM > > > > > > > > > To: Exchange Discussions > > > > > > > > > Subject: Re: Does this mean what I think it means > > > > > > > > > > > > > > > > > > Thanks Chris. I guess what threw me was that when this > happens > > > any > > > > > > > other > > > > > > > > > time the message is from the recipient SMTP server and I > dont > > > see > > > > > it > > > > > > > > > mentioned in this NDR anywhere. Just my server's info . . > . > > > > > > > > > > > > > > > > > > ----- Original Message ----- > > > > > > > > > From: "Chris Scharff" <[EMAIL PROTECTED]> > > > > > > > > > To: "Exchange Discussions" <[EMAIL PROTECTED]> > > > > > > > > > Sent: Monday, July 22, 2002 11:03 AM > > > > > > > > > Subject: RE: Does this mean what I think it means > > > > > > > > > > > > > > > > > > > > > > > > > > > > It's reporting what the receiving server told it. You > can > > > test > > > > > this > > > > > > > > > using > > > > > > > > > > the methods described in RFC821 referenced last week as > an > > > > > essential > > > > > > > > > tool > > > > > > > > > in > > > > > > > > > > a mail admin's toolbox. > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > > > > From: Chris H [mailto:[EMAIL PROTECTED]] > > > > > > > > > > > Sent: Monday, July 22, 2002 9:55 AM > > > > > > > > > > > To: Exchange Discussions > > > > > > > > > > > Subject: Does this mean what I think it means > > > > > > > > > > > > > > > > > > > > > > Would you guys and gals take this to mean my Exchange > > > Server > > > > > is > > > > > > > > > treating > > > > > > > > > > > this external address as internal? > > > > > > > > > > > I have added it to the IMC > Connections > Specify by > > > Email > > > > > Domain > > > > > > > > > > > > > > > > > > > > > > I usually add domains here I cannot resolve for > delivery > > > by > > > > > using > > > > > > > my > > > > > > > > > ISP's > > > > > > > > > > > DNS servers. It doesnt happen often but I just look up > > > their > > > > > mx > > > > > > > record > > > > > > > > > on > > > > > > > > > > > another DNS server and add the address of their MX > record. > > > > > > > > > > > > > > > > > > > > > > However, with this one I always get this in return: > > > > > > > > > > > > > > > > > > > > > > Your message did not reach some or all of the intended > > > > > recipients. > > > > > > > > > > > > > > > > > > > > > > Subject: TEST Message > > > > > > > > > > > > > > > > > > > > > > Sent: 7/22/2002 10:35 AM > > > > > > > > > > > > > > > > > > > > > > The following recipient(s) could not be reached: > > > > > > > > > > > > > > > > > > > > > > '[EMAIL PROTECTED]' on 7/22/2002 10:35 AM > > > > > > > > > > > > > > > > > > > > > > The recipient name is not recognized > > > > > > > > > > > > > > > > > > > > > > The MTS-ID of the original message is: c=US;a= > > > > > > > > > > > ;p=KAO;l=AJC-MAIL1-020722143516Z-1150 > > > > > > > > > > > > > > > > > > > > > > MSEXCH:IMS:KAO:AJC:KAO-AJC-WEB2 3550 (000B09AA) 550 > > > > > > > > > > > <[EMAIL PROTECTED]>... User unknown > > > > > > > > > > > > > > > > > > > > > > And since the user not found is being returned by my > > > server > > > > > KAO- > > > > > > > AJC- > > > > > > > > > WEB2 > > > > > > > > > I > > > > > > > > > > > am assuming it thinks this is an internal address . . > . > > > > > > > > > > > > > > > > > > > > > > I am trying to send to: foodbrokers.co.uk > > > > > > > > > > > > > > > > > > > > > > Ideas? 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