IMHO MS is right: We have had similar problems in the past. Every time it happened, our firewall people claimed innocence, and every time they were eventually proven guilty.
Thomas > -----Urspr�ngliche Nachricht----- > Von: Jonathan Beeler [SMTP:[EMAIL PROTECTED]] > Gesendet am: Mittwoch, 16. Januar 2002 16:06 > An: Exchange Discussions > Betreff: Multiple bounce backs > > This is what is happening: A user sends an email to a bad address > and receives this error: ,[EMAIL PROTECTED] > > > Obviously, the syntax is incorrect with that comma in the beginning of it. > The user receives the following message multiple times. > > 553 <,[EMAIL PROTECTED]>... Unbalanced '<' > 553 [EMAIL PROTECTED]>... Unbalanced '>' > 550 <... User unknown > 553 "',[EMAIL PROTECTED]'" <,[EMAIL PROTECTED]>, "Hurst, > Fiona" > <[EMAIL PROTECTED]>... Unbalanced '<' > 553 [EMAIL PROTECTED]>, "Hurst, Fiona" > <[EMAIL PROTECTED]>... Unbalanced '>' > > > In addition, if there were any other CC'd users in this, they will receive > the message multiple times as well. > What I have done in the past, is to manually remove the message from the > outbound queue which stops the problem. > > Our current configuration is Exchange 5.5 sp4 with post sp4 hotfixes, > Antigen version 6.20.0842 > A Gauntlet Firewall (which I don't administer so I don't have much info > about it) > Our IMC uses straight IP to point to the firewall, instead of using DNS. > We have tried the DNS setting, and this fixed the situation, however, due > to internal DNS situations, we can't keep this configuration. > > I've spoken to Microsoft a multitude of times about this and they keep > blaming the firewall. Of course, the firewall people keep blaming > Exchange. > > Has any one seen this, or have any suggestions? > > Thanks > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]

