Cpanel 86 Exim uses port 25 for outbound I need to change it to 587

Cpanel is trying to send email using Exim4 but can not connect to other hosts using port 25 as they support 587. I checked the OS firewall everything is open, and the configuration is OK, also we tested using telnet client from the server and other servers almost all other smtp uses 587 not 25. I want to change Exim configuration to use 587 for the outbound connection instead of port 25. Please advice. the following is example of the output: --------------------------------------------- LOG: MAIN cwd=/usr/local/cpanel/whostmgr/docroot 4 args: /usr/sbin/exim -v -M 1jFjiT-0004VM-VY delivering 1jFjiT-0004VM-VY LOG: MAIN Sender identification U=user D=domain.com S=noreply@domain.com Connecting to example.net [184.154.52.186]:25 ... failed: Connection timed out (timeout=5m) LOG: MAIN H=example.net [184.154.52.186] Connection timed out LOG: MAIN == anas.naguib@example.net R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out