how to configure Vesta to use 587 or 465 ports to send mail.

[anyone]

Hello, please help me!
The 25 port of the server (VPS) has been shut down by ISP and cannot be used. The vestacp server is not normal to send notifications information (such as: database, FTP), has identified 587 and 465 ports can be used normally, how to configure Vesta to use 587 or 465 ports to send mail.

Thanks!