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Subject: Re: Gnus and ESMTP
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Miroslav Zubcic <miroslav.zubcic@zesoi.fer.hr> writes:

> Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai Gro=DFjohann) writes:
>=20
> > Kevin already mentioned smtpmail.el.
>=20
> No matter what I do with it, Gnus will send mail by calling sendmail
> binary, not with smtpmail. :-(
>=20
> > From looking at the source, smtpmail.el does not appear to grok ESMTP
> > AUTH, but it should be possible to replace `open-network-stream' in
> > the function smtpmail-via-smtp with `open-ssl-stream', and that should
> > pretty much work.  open-ssl-stream is part of ssl.el which comes with W=
3.
>=20
> You have right Kai! Even to me (no habla LISP) is obvious, I must
> replace only SMTP commands HELO/EHLO, and some minor changes must be
> done. For STARTTLS (RFC 2487), ssl.el will be relative easy to
> implement (on the first look). But for a start I must make smtpmail.el
> to work with Gnus...

ssl.el won't work with ESMTPs STARTTLS command, because it expects to just
talk SSL from the beginning.  ESMTP and HTTPS tunneling thru a proxy server
expect you to start the SSL handshake partway thru the connection.

Some old patches I had floating around for Emacs to natively support SSL
would support this, but I never released them because of the #%!@#%@! NSA /
US restrictions (this was probably 5 years ago :).

Someone might be working on them - I sent them my old design outline (no
code), but will let them announce something when they are ready.

-Bill P.