Skip to content

SwampFox75

New Member

Joined 

May 11th, 2015

About me

No bio added

SwampFox75's Activities

All Activities
Selected All Activities

SwampFox75
commented on 's post

9 years ago

Troubleshooting an email problem, I found this in our logs (after some cleaning):550-5.7.1 [2601:647:4900:8d00:d830:edff:feb2:8d1f] Our system has detected that 550-5.7.1 this message does not meet IPv6 sending guidelines regarding PTR 550-5.7.1 records and authentication. Please review 550-5.7.1 h

We Kudo JimD's response as we did this as well, works great. Until Comcast fully supports this and IPv6 is forced to become a standard. Just keep your eye on it and ensure you are ready for when the light switch flips (dpending on how it is fully imp

SwampFox75
liked 's comment

9 years ago

I can say I've run into the same problem as this. And the problem is with my SMC modem. It is handing out IPV6 DHCP addresses even with IPV6 DHCP turned off. So, a server will pick up the IPV6 and use that to send mail in preference over IPV4. If you

SwampFox75
joined community.

May 11, 2015