Re: [Evolution] Evolution 1.4.5 SMTPS / STARTTLS question



On Fri, 2003-11-07 at 17:37, Jeffrey Stedfast wrote:

Evolution lets you do this too... you could specify "servername:25" for
the hostname, although I'm not sure exactly how it will behave in this
case. It might try to first do SMTPS on port 25, fail, and then try
SMTP+STARTTLS.

yea, I'm pretty sure that is how it would attempt to connect.

Nope; if you put the port number in; it'll try to negociate SMTP-S with
the remote MTA, over port 25, even if this one talks only STARTTLS.

The result is that it will hung the SMTP session; since SMTP-S
initialise the SSL handshake directly after opening the socket; while
STARTTLS wait after the greetings dialog has been made (in plain text).
So basically, you'll try to talk SSL to a peer which expect plain text
input at first.

Regards,
Vincent.

Jeff


-- Dan
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-- 
Vincent Jaussaud
Kelkoo.com Security Manager 
email: tatooin kelkoo com

"Those who desire to give up freedom in order to gain security will not
have, nor do they deserve, either one."
    -- President Thomas Jefferson.    1743-1826





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