Postfix can't send mails externally
I installed with problems sending email externally already tried several posts related to this and I am not able to make it work.... on my mail queue mails get pending and gets timout
D80E8C196E 5358 Fri Aug 11 09:59:24 sender (connect to alt4.gmail-smtp-in.l.google.com[18.104.22.168]:25: Connection timed out) receiver
I had checked by changing the smtp port ... But after changing there was no mail on the queue and no mail sended to the destination.
please help me