Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations SkipVought on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

AOL not accepting emails from our domain

Status
Not open for further replies.

techseek

MIS
Nov 5, 2010
97
0
0
US
Just installed exch2010. all is working except users cannot send to aol.com
My consultant says that router config is not correct because whatismyip.com (from the email server) reports the router address as opposed to the email server address.
He has already setup SPF records etc in our public dns. Is he correct in saying that whatismyip.com should report the mail servers public ip?
Or, could something else be wrong?
Thanks for any replies/help
 
WhatIsMyIP should always reflect a public IP address. It's possible that if your router is configured as a web proxy, that WhatIsMyIP will show that address instead of another possible address, but most of the time you should consider whatever WhatIsMyIP shows you to be your public IP.

The RDNS record should map the same address that WhatIsMyIP reports to the public name of your mail server. In addition, the SPF record should reference whichever IP is shown on WhatIsMyIP. You should just use whichever IP WhatIsMyIP reports, since that's the IP that remote servers will see the connection coming from.

What could be wrong? Your RDNS record isn't set up yet (using the WhatIsMyIP address). Or your SPF record isn't configured to allow your working address (the one WhatIsMyIP gives you) to send mail.

Dave Shackelford
ThirdTier.net
 
Hello
Thank you Shackdad
We finally got it resolved. Our router is managed by our ISP but we called and replaced our original NAT entries for ports 25/80/443 etc with one static NAT
inside address to outside address (we know it leaves us wide open but ISP will not config "custom filtering" unless we get additional security services)
After that, all messages went out of the queue.
Not being a router tech, I don't know why the outgoing IP was reporting the router's address prior to the change we made. Now, whatismyip reports the email server address. Maybe you can shed light so I can understand

Thx again
 
Depends on the NAT setting as you can surf out from the router address or another address in the pool.
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top