Mail is not sent from the server on Centos 7, how to fix the problem?

Question

linux

Tell me, I can’t send mail from the server to Centos, the error in the logs is "Failed to connect to smtp.google.com:587 [SMTP: Failed to connect socket: Connection timed out (code: -1, response: )]', which must be configured for correct sending?
telnet smtp.gmail.com 587 - connects normally.

Answer 1

is selinux disabled?