I didn't subscribe [EMAIL PROTECTED],
please append 'CC: [EMAIL PROTECTED]'.

I read next URL.
http://www.mail-archive.com/[email protected]/msg02877.html

I wrote:

> Hi.
> I implemented STARTTLS documented in RFC2487.
> I can't use STARTTLS with s_client.
> I added a new command 'starttls',
> which says 'STARTTLS' after a connection.
> The code of starttls.c consist almost of s_client.c.

Lutz wrote:

> thank you very much for your detailed error description.
> 
> What kind of software do you use for testing?
> To test your server side, use Netscape >= 4.5 with SSL/TLS enabled.
> Once you have your server running, re-test your client.
> You may consider using one of the available OpenSource RFC2487
> implementations.
> You can start with mine at
>         http://www.aet.tu-cottbus.de/personen/jaenicke/postfix_tls
> and by having a look into my references you can check the others.

I use qmail-1.0.3 + tls.patch(*) and some MUA,
which include Netscape >= 4.5.
They work correctly, and this mail will be sent 
with DES-CBC3-SHA encrypted SMTP(RFC2487).

(*) http://www.esat.kuleuven.ac.be/~vermeule/qmail/tls.patch

I regret that I cannot explain myself.
I'm a developer of a MUA(see my User-Agent) with emacs lisp,
and I need a backend such as s_client for SASL,
S_client cannot, however, use for SASL.
A connection with SASL needs to say 'STARTTLS' before a certification of TLS,
but s_client immediately starts a certification after a connection of TCP.
What is the best way for SASL?

I sent a patch(openssl-0.9.4-starttls.patch), which the starttls command
implements a SASL client with.
<[EMAIL PROTECTED]>

For example.
% openssl starttls -host localhost -port 25

cf.
% telnet localhost 25

I would like to ask the opinion of the participants.

-- 
Kenichi Okada
mailto:[EMAIL PROTECTED]
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