RE: Exchange not able to deliver message

The Microsoft IIS Logfile Format is easier on the eyes for SMTP Logging,
assuming this is a win2k box.

Cant send mail. No errors?  Queues in retry?  Sounds a LOT like MTU
size.  Have a Linksys router?

Can you "manually" send email with telnet?  Can you configure Outlook
Express to use that same smarthost?

The Pix/Netscreen <one of them> can turn off the EHLO commands, so in
Exchange set the SMTP Connector to use HELO instead of EHLO.



-----Original Message-----
From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx] 
Sent: Tuesday, July 08, 2003 2:35 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Exchange not able to deliver message

http://www.ISAserver.org


It is not a filter problem perse, rather a protocol response problem. I
am
not sure on the technical details but it has to do the HELO and EHLO
commands.

I think the command is smtp fixup (on/off or true/false)

John Tolmachoff MCSE CSSA
Engineer/Consultant
eServices For You
www.eservicesforyou.com


> -----Original Message-----
> From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
> Sent: Monday, July 07, 2003 6:29 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: Exchange not able to deliver message
> 
> http://www.ISAserver.org
> 
> 
> Hi John,
> 
> What's the deal with the PIX? Does there own SMTP filter break the
> response from the SMTP server?
> 
> Thanks!
> Tom
> 
> Thomas W Shinder
> www.isaserver.org/shinder
> ISA Server and Beyond: http://tinyurl.com/1jq1
> Configuring ISA Server: http://tinyurl.com/1llp
> 
> 
> 
> -----Original Message-----
> From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx]
> Sent: Monday, July 07, 2003 3:55 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: Exchange not able to deliver message
> 
> 
> http://www.ISAserver.org
> 
> 
> It is definitely a connection problem whereby the receiving mail
server
> received the message, but the message received code never made it back
> to
> the sending mail server.
> 
> Yes, the exchange board can help more on this, as I know what happened
> but
> not how to fix.
> 
> Also, is there by chance a Cisco PIX firewall in the stream somewhere?
> 
> If so, have you heard of the SMTP fixup protocol problem?
> 
> John Tolmachoff MCSE CSSA
> Engineer/Consultant
> eServices For You
> www.eservicesforyou.com
> 
> 
> > -----Original Message-----
> > From: Mark Hippenstiel [mailto:M.Hippenstiel@xxxxxxxxxxxx]
> > Sent: Monday, July 07, 2003 1:33 PM
> > To: [ISAserver.org Discussion List]
> > Subject: [isalist] RE: Exchange not able to deliver message
> >
> > http://www.ISAserver.org
> >
> >
> > Oh yeah, the logfile-- forgot about that :) well it's very
> interesting.
> > It shows a lot of digits and stuff like that. Do they mean anything?
> :)
> >
> > But seriously, first thing I did was ask my provider, he eventually
> told
> > me that the connection was interrupted. I had exactly the same
thought
> > hehe. I never heared of such a problem, so I figured it might have
> > something to do with ISA.
> >
> > Have a look at these logfile samples and tell me if they make sense
to
> > you John:
> >
> > 195.14.234.41 OutboundConnectionResponse SNIFFER - 0 0 85 0 -
> > 195.14.234.41 OutboundConnectionCommand SNIFFER - 0 0 4 0 -
> > 195.14.234.41 OutboundConnectionResponse SNIFFER - 0 0 88 0 -
> > 195.14.234.41 OutboundConnectionCommand SNIFFER - 0 0 8 0 -
> >
> > 195.14.234.41 is the public smart host (authentication needed :) All
> log
> > entries are virtually the same only differing in sc-bytes field.
> > Of course I have the random relay test there, too.
> >
> > I don't see any errors. Well maybe I should move this to the
exchange
> > newsgroup.
> >
> > Thanks anyway.
> > Mark
> >
> >
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> ------------------------------------------------------
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> Network Security Library: http://www.secinf.net/
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> ------------------------------------------------------
> Other Internet Software Marketing Sites:
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> No.1 Exchange Server Resource Site: http://www.msexchange.org
> Windows Security Resource Site: http://www.windowsecurity.com/
> Network Security Library: http://www.secinf.net/
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------------------------------------------------------
Other Internet Software Marketing Sites:
Leading Network Software Directory: http://www.serverfiles.com
No.1 Exchange Server Resource Site: http://www.msexchange.org
Windows Security Resource Site: http://www.windowsecurity.com/
Network Security Library: http://www.secinf.net/
Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
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