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12 Messages
Static IP no longer used for Outbound Traffic
For years I have run a low volume email server with out an issue. About two weeks ago Comcast had to swap out my Comcast supplied router for a newer version. The process seemed pretty seamless, I didn't even need to reconfigure any settings.
However, My outbound IP address for my email sever now seems to be some "shared Comcast address" instead of a static IP. Many email servers are rejecting this "shared address" and bouncing the messages back. I have verified the IP address used for outbound mail prior to the router swap was my first static IP and now it is this bogus "shared address". It is the same as the "WAN IP Address (IPv4)" shown below. Also, a check on "whatsmyip.com" reveals the same "shared" IP. In the past, "whatsmyip.com" would also report one of my static IP's... Inbound traffic seems fine and uses the static IP's as expected.
This "WAN IP Address (IPv4)" seems to be a new thing and I do not recall seeing this on the old router - but it has been a while.
How do we configure things on this new router to use the Static IP's for Outbound traffic?
CC_Otari
Contributor
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18 Messages
2 years ago
Hi, @my-spot
You can use the Xfinity Admin tool to log into your gateway and make https://comca.st/3zfRd55 it is: https://comca.st/3RIOyaZ.
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