SV: Exchange Sending Problems (Receive OK)

From: "Hans-Erik Czajkowski" <hcz@xxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Date: Wed, 19 Sep 2001 22:12:44 +0200

Hello.
 
For the ping to work correctly you have to create and enable two
packetfilters. One packetfilter for the ping query and one for the
response. I have selected the predefined packetfilter ICMP Outbound ALL
and the predefined ICMP Ping Response (in) and it works.
 
The Exchange server have to be setup to use DNS instead of using the
Isaserver as a forwarder. Your internal DNS have to be setup to forward
resolving to the external DNS instead of using the Isaserver as a
forwarder. Then your Exchange server will connect directly to the
receiving SMTP server.
This meens that you also need a packetfilter enabled for DNS lookup. I
have used the predefined packetfilter DNS lookup.
 
Regards
 
Hans-Erik Czajkowski
 
 
 
 

-----Oprindelig meddelelse-----
Fra: Support Account [mailto:support@xxxxxxxxxxxxxxxxx]
Sendt: 19. september 2001 16:53
Til: [ISAserver.org Discussion List]
Emne: Exchange Sending Problems (Receive OK)




Hello,
 
  Looking for a little help!  Thanks in advance!!
 
  I have an internal exchange mail server that is setup through an ISA
Server.  I can receive mail ok, but with the users send mail, they sit
at the SMTP server and continue to "RETRY".
 
  If I ping addresses from the mail server they resolve correctly, but
the ping fails.  Not sure if this is supposed to happen?
 
  I have set the default protocol rule to allow all triffac through.
Any suggestions??
 
Thanks,
Randy Sieren

SV: Exchange Sending Problems (Receive OK)

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