Pete,Do you have a AT&T or Bellsouth email address? If you do, or know someone who does, check out the email header.
I've found in the past that it is a good source for debugging. Nigel. email address? If you do look at the header information. On 1/5/2017 8:29 AM, pgeenhuizen wrote:
I'm not sure if this is a shorewall issue or not, but I hope that someone can give me some pointers or ideas how to try to solve this issue I'm running Shorewall 4.6.13 on Centos 6.8, and my own mail server. I have this rule in place for my email DNAT net loc:192.xxx.xxx.16 tcp http,https,imap,imaps,smtp,smtps My problem is that whenever someone using an AT&T phone or form Bellsouth.net sends me email it fails and the email is returned to the sender as failed with this error "Mail server for "geenhuizen.net" unreachable for too long" Apparently both AT&T and Bellsouth use yahoo mail service, however if someone on Yahoo mail sends me an email it works just fine. I've looked through /var/log/maillog but can't find the connection at all, and I can't find any connection in the shorewall logs either. I must confess that I don't know what to specifically look for in the shorewall logs. So what to do? Thanks Pete
-- from the desk of Nigel http://soft-focus-imagining.com http://twin-peaks-video.com
<<attachment: nigel.vcf>>
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