How to change the SMTP Port in HestiaCP?

Hello everyone! I want to change the SMTP Port, I want to use port 587, 465 or 2525 and NOT, port 25 for security reasons? How can I do that? Thank you very much for the help!

For email between mail servers still happen with port 25. Also spammers know the trick for 465 and so on… So it really doesn’t matter…

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