status=deferred (connect to alt2.gmail-smtp-in.l.google.com[2404:6800:4003:c01::1b]:25: Connection t

[Latest Questions]

Outgoing email is stuck in my mail queue. When sending to Gmail I get this error message...

status=deferred (connect to alt2.gmail-smtp-in.l.google.com[2404:6800:4003:c01::1b]:25: Connection timed out)

 

[popowich]

Do you have reverse DNS set for your IPv6 address? Last I checked, Google blocks SMTP connections from sources that don't have reverse DNS on their IPv6 addresses.