microsoft exchange · windows server 2012 R2

How to disable IPv6 from MS Exchange 2010/2013 server – Gmail issue

Hello folks, After an upgrade of SPF in Gmail servers, seems that Gmail is blocking e-mails with dynamic IPv6 addresses which have not PTR records in the RDNS. Because of that Gmail is also checking for every IPv6 address that is containing in the e-mail headers and not only the IP that is assigned on… Continue reading How to disable IPv6 from MS Exchange 2010/2013 server – Gmail issue