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How can Exchange server behind the firewall get the internet email without configuring the port forwarding ?

How can Exchange server behind the firewall get the internet email without configuring the port forwarding(not through POP3) in the firewall ?

Can anyone have idea about this? I setup Exchange 2010 and it can send/receive email within LAN (behind the firewall) . Getting internet email should be easier if we can setup port forwarding in the firewall. Now I have DNS name registered in Godaddy and I can also have access to internet, but I cannot have the access to the firewall to setup port forwarding. so, do you think I can have the Exchange server receive internet email without configuring the port forwarding?  Thank you in advance.
1 Solution
No, there is no way to get the email to the server without forwarding the correct ports.
davidy2001Author Commented:
Someone said web server in one's home can be reached from internet without forwarding ports
Svet PaperovIT ManagerCommented:
No, in both cases, the mail and the web server, you need to configure port redirection on the firewall. There is no another way.

I would suggest you to take a look at a hosted solution like Excange Online http://www.microsoft.com/exchange/en-us/exchange-online-hosted-email.aspx
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Simon Butler (Sembee)ConsultantCommented:
To receive traffic you need to have a port open. If you don't want to open a port for inbound traffic then you will have to use a hosted service to collect email. There is no other way to get email.

With older versions of Exchange you could use ETRN to collect email from a remote server, but that would still need to have a port open.

Port 25 as a minimum needs to be open, but if you are on a home internet connection then that port will usually be blocked by the ISP and you will have to use another service - so called "mail hop" type services, to get email in to your server.


My first answer still stands.  There is absolutely NO way for traffic to get to your exchange server unless you allow it through port forwarding on your router / firewall.
davidy2001Author Commented:
dont worry, you'll have the credit.
we'll have way to do that. if i find it, i like to post it here
davidy2001Author Commented:
vps can help

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