Re: Publish Two Exchange Server
- From: "John Tolmachoff \(Lists\)" <johnlist@xxxxxxxxxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Tue, 16 Dec 2003 22:40:21 -0800
Dr. Tom; this may cause problems as per Internet standards, you can not have
more than one server per Public IP address. Example, if you have 2 mail
servers behind 1 IP address, the records for that IP (PTR) and for the mail
servers (MX and A) will not all match up. This is cause for blocking by AOL
and will cause test failures on other anti-spam programs.
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
> -----Original Message-----
> From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
> Sent: Tuesday, December 16, 2003 3:34 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Re: Publish Two Exchange Server
>
> http://www.ISAserver.org
>
> Hi Qusai,
>
> It was one of the articles that discussed configuring the ISA firewall
> as a filtering SMTP relay. There are two of them, but I don't recall
> which one.
>
> The key is to install an SMTP relay on the ISA firewall, then configure
> remote domains on the SMTP relay for domains under your administrative
> control. Then for each remote domain, configure a different Smart Host
> to forward to. This allows a single IP address on the external interface
> of the ISA firewall to accept mail for multiple SMTP servers on the
> internal network.
>
> HTH,
> Tom
>
>
> -----Original Message-----
> From: Qusai A. AL Haddad [mailto:qusai@xxxxxxxxxxxxxx]
> Sent: Tuesday, December 16, 2003 3:40 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Re: Publish Two Exchange Server
>
> http://www.ISAserver.org
>
> Thanx Tom
> Is this what you mean
> CONFIGURING THE ISA SERVER 2000 FIREWALL TO SUPPORT THE EXCHANGE SMTP
> SERVICE
>
>
> Qusai
>
> -----Original Message-----
> From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
> Sent: Wednesday, December 17, 2003 12:33 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Re: Publish Two Exchange Server
>
> http://www.ISAserver.org
>
> Hi Qusai,
>
> There's a nice trick in the ISA Server 2000 Exchange 2000/2003
> deployment kit that shows you how to run an SMTP relay on the ISA
> firewall and allow you to receive mail for multiple domains with a
> single IP address on the external interface of the ISA firewall.
>
> HTH,
> Tom
>
> -----Original Message-----
> From: Qusai A. AL Haddad [mailto:qusai@xxxxxxxxxxxxxx]
> Sent: Tuesday, December 16, 2003 3:11 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Re: Publish Two Exchange Server
>
> http://www.ISAserver.org
>
> Thanks Jim
> Can I make the existing exchange server route the emails to the second
> mail server without publishing, like for example I have now domain1.com
> and domain2.com on one exchange server and I want to shift domain1.com
> to separate exchange server .. can I make the first exchange server
> route the mails to the second exchange ( domain1.com )
>
> Qusai
>
>
> -----Original Message-----
> From: Jim Harrison [mailto:jim@xxxxxxxxxxxx]
> Sent: Wednesday, December 17, 2003 12:02 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Re: Publish Two Exchange Server
>
> http://www.ISAserver.org
>
> Yes; a new IP and server publishing rule are required.
> Make sure the new Exch server is SecureNAT to the ISA or much pain will
> ensue...
>
> Jim Harrison
> MCP(NT4, W2K), A+, Network+, PCG
> http://www.microsoft.com/isaserver
> http://isaserver.org/Jim_Harrison
> http://isatools.org
>
> Read the help, books and articles!
> ----- Original Message -----
> From: "Qusai A. AL Haddad" <qusai@xxxxxxxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Sent: Tuesday, December 16, 2003 12:53
> Subject: [isalist] Re: Publish Two Exchange Server
>
>
> http://www.ISAserver.org
>
> Hello Jim
> Thanks for your reply
> Now I am hosting all my 3 company mail server in one exchange server
> with one IP address this is fine and all the are pointing to one IP
> address, one of these domain need to shift it to a separate server so I
> need to put extra IP address on the ISA server and change the pointing
> IP in the network solution for the new one for this domain ..
>
>
> Kind regards
>
> Qusai
>
> -----Original Message-----
> From: Jim Harrison [mailto:jim@xxxxxxxxxxxx]
> Sent: Tuesday, December 16, 2003 11:50 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Re: Publish Two Exchange Server
>
> http://www.ISAserver.org
>
> Not if you're server-publishing.
> You need one IP per Exch server for that.
>
> Jim Harrison
> MCP(NT4, W2K), A+, Network+, PCG
> http://www.microsoft.com/isaserver
> http://isaserver.org/Jim_Harrison
> http://isatools.org
>
> Read the help, books and articles!
> ----- Original Message -----
> From: "Qusai A. AL Haddad" <qusai@xxxxxxxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Cc: <isalist@xxxxxxxxxxxxx>
> Sent: Tuesday, December 16, 2003 12:28
> Subject: [isalist] Publish Two Exchange Server
>
>
> http://www.ISAserver.org
>
> Dear All
>
> Can I publish 2 exchange server behind ISA Server with Different domain
> name, and with one Public IP Address.
>
>
>
> Kind Regards
>
>
>
>
>
>
>
> Qusai
>
>
>
>
>
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> Network Security Library: http://www.secinf.net/
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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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> Network Security Library: http://www.secinf.net/
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