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Title: problem with rDNS and gmail
Post by: giggeek on August 24, 2013, 04:26:29 PM

SMTP was working fine till today now I suddenly get this error.
The sender does not meet basic ipv6 550-5.7.1 sending guidelines of authentication and rdns resolution of sending 550-5.7.1 ip.
anyone have any idea why or what could be causing this?

Title: Re: problem with rDNS and gmail
Post by: cholzhauer on August 25, 2013, 06:39:44 AM

https://support.google.com/mail/answer/81126

There's a section for IPv6

Title: Re: problem with rDNS and gmail
Post by: snarked on August 25, 2013, 11:15:58 AM

Duplicate discussion of: http://www.tunnelbroker.net/forums/index.php?topic=2968.0

Hurricane Electric's IPv6 Tunnel Broker Forums

General IPv6 Topics => IPv6 on Linux & BSD & Mac => Topic started by: giggeek on August 24, 2013, 04:26:29 PM