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SMTP Publishing Rule
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SMTP Publishing Rule - 5.Jan.2007 7:16:17 AM
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JesusisLord
Posts: 64
Joined: 19.Aug.2006
Status: offline
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Dear All,
As I write this email, it's 12:08pm my company haven't been able to send or recieve e-mail since 8:00am this morning, and I don't know what I'm doing wrong, have spoken to an IT Support guy who tells me he has never got ISA to work with a DMZ and is telling me to not specify DMZ but use external networks instead, for the machines I want in the DMZ???/
Anyway, basically I have followed this article:-
http://www.microsoft.com/technet/isa/2006/deployment/exchange2003.mspx
The article asks me to test dns via doing an nslookup which i have done and that bit works ok, i have then created the mail publishing rule and an outgoing mail rule but nothing works :-(
I have two internet connections in the mix which complicates things, but basically e-mail gets sent to Public IP X (The Firewall then does a port forward for SMTP traffic to 10.10.1.5)
10.10.1.5 is the IP address of the DMZ NIC in the ISA server, and if I go to monitoring on the ISA server it is recieving SMTP traffic but blocking it.
On the ISA server I can ping my mail server and so I know ISA can talk to it, and I know that e-mail works internally, so it must be something to do with the rules.
The default gateway for the ISA server is a seperate internet link, and all my users on the network can get out onto the web fine, so I'm not sure what I'm doing wrong?
one thing that might be an issue, is that the other firewall (the one which is doing the port forwarding of the smtp traffic) has a 10.10.1.1 address, and the DMZ network starts from 10.10.1.0 - 10.10.1.255
Please please can someone help me ASAP
Kind Regards,
JIL
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RE: SMTP Publishing Rule - 5.Jan.2007 7:35:29 AM
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JesusisLord
Posts: 64
Joined: 19.Aug.2006
Status: offline
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Just to let you know, I can now send e-mail out externally, but not able to get it to come in yet.
Some how the default gateway forgot to get put back on one of the NICS on the mail server (when i was getting told to change the config of them :-)
So at the moment, smtp and webtraffic is being sent out of Internet link which ISA uses as it's default gateway.
It's just trying to get the e-mail that is sent to the other internet link to work now.
Would love some help, pretty please with a cherry on top :)
JIL
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RE: SMTP Publishing Rule - 5.Jan.2007 7:50:35 AM
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JesusisLord
Posts: 64
Joined: 19.Aug.2006
Status: offline
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I have managed to get SMTP working into the network and out now, yipee, I just need to get the other rules working :)
Thanks for reading.
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RE: SMTP Publishing Rule - 13.Feb.2007 1:30:21 PM
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paulschwarz
Posts: 11
Joined: 12.Jan.2004
Status: offline
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I like your username - God Bless !!
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RE: SMTP Publishing Rule - 23.Apr.2007 5:05:45 AM
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KenVR
Posts: 5
Joined: 20.Apr.2007
Status: offline
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i would be gratefull if you could post on how you managed to do it, as i am stuck with a similar problem...
thanks
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RE: SMTP Publishing Rule - 23.Apr.2007 5:06:22 AM
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KenVR
Posts: 5
Joined: 20.Apr.2007
Status: offline
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i would appreciate it if you could post on how you managed to do it, as i have a similar problem
thanks
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