postfix-users January 2011 archive
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postfix-users: Re: SSL/TLS issue

Re: SSL/TLS issue

From: Wietse Venema <wietse_at_nospam>
Date: Tue Jan 18 2011 - 22:22:52 GMT
To: IT geek 31 <itgeek31@googlemail.com>

IT geek 31:
> I have an issue regarding SSL/TLS.
>
> I have configured my certificates and STARTTLS works fine. Out of
> curosity, I wanted to get SSL over tcp/465 working.

Port 465 uses a different protocol than port 25.

On port 25, the session starts in plaintext, and the client sends STARTTLS.

On port 465, the session starts in ciphertext.

        Wietse