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so what do you get if you telnet from a computer outside of your network to the public IP address of your network?<br />
Find out what the public ip address is by going to <a href="http://whatsmyip.org" rel="ugc">http://whatsmyip.org</a><br />
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Double check you have forwarded port 25 from your router/firewall to the internal IP address of your exchange server.
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so what do you get if you telnet from a computer outside of your network to the public IP address of your network?
Find out what the public ip address is by going to http://whatsmyip.org [http://whatsmyip.org]

Double check you have forwarded port 25 from your router/firewall to the internal IP address of your exchange server.

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Thanks.<br />
I just get a timeout error.<br />
I've double check the forward and enabled loggin on the router and I cannot see my external telnet request coming in.<br />
So I'm going to check if my ISP has this blocked, I haven't requested the MX record change and they may have a firewall policy to block port 25...
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Thanks.
I just get a timeout error.
I've double check the forward and enabled loggin on the router and I cannot see my external telnet request coming in.
So I'm going to check if my ISP has this blocked, I haven't requested the MX record change and they may have a firewall policy to block port 25...

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On a SBS2008, we want to change from POP3 connector to SMTP mail reception.<br />
We have opened port 25 on the firewall to be forwarded to the SBS2008 box, but there is no response to a telnet from the outside.<br />
On SBS2003 that worked without doing anything, is there something to do on the SBS2008 in Exchange maybe ?
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On a SBS2008, we want to change from POP3 connector to SMTP mail reception.
We have opened port 25 on the firewall to be forwarded to the SBS2008 box, but there is no response to a telnet from the outside.
On SBS2003 that worked without doing anything, is there something to do on the SBS2008 in Exchange maybe ?

Change from POP3 Connector to SMTP for SBS2008 - Exchange 2007

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).