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HowTo share address space between Exchange and ISP

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HowTo share address space between Exchange and ISP - 23.Mar.2009 8:34:02 PM

aleangelico

Posts: 8
Joined: 16.Sep.2005
Status: offline

All the mailboxes from mydomain.com are managed by the ISP email server. At the same time I'm running an Exchange 2003 server for internal email.

For sending email, I created an Exchange Connector using the ISP mail server as smart host (the "Forward all mail through this connector to the following smart hosts" option)

Is this the way I should configure the Exchange for sending email outside my organization?

The problem is that once per month the server is Blacklisted or the emails are treated like SPAM.
How are you supposed to run this configuration?

BTW, i'm using a fixed ip address and asked my ISP to add this IP to the server whitelist with no result...

Thanks!
Alex

Post #: 1

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RE: HowTo share address space between Exchange and ISP - 24.Mar.2009 12:51:45 PM

aleangelico

Posts: 8
Joined: 16.Sep.2005
Status: offline

First of all, thanks for your response.

But the thing is MY server is blacklisted.

My server is mexico.mycompany.com. The smarthost is mail.mycompany.com.
The mexico.mycompany.com server IP address is blacklisted, not the mail.mycompany.com.

I'm blacklisted mainly because even if i'm using a fixed ip address, the reverse ip address returns "dsl-200-67-xx-xxx.prod-empresarial.com.mx" (the whole IP address, i just changed for the "x").

This is a ISP issue, they refuse to give me a real PTR record in their DNS because I'm using DSL (i have to upgrade to a dedicated line for that, which costs 5 times more).

So I was just wondering how the rest of the world deal with this problem, but maybe my configuration is not very common...

Post #: 2

RE: HowTo share address space between Exchange and ISP - 25.Mar.2009 12:44:00 PM