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bug#30347: smtpmail.el doesn't retry with authentication when greylistin


From: Lars Ingebrigtsen
Subject: bug#30347: smtpmail.el doesn't retry with authentication when greylisting is used
Date: Tue, 17 Apr 2018 14:45:46 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Robert Pluim <rpluim@gmail.com> writes:

> Iʼm not sure I follow: the user has a matching machine in authinfo or
> wherever they keep their passwords, and the SMTP server advertizes
> AUTH support. Why would we not attempt authentication?

Because Emacs doesn't know that the user has a password entry in
~/.authinfo.gpg until the user has type the password.  (If the user is
using password-protected ~/.authinfo files without a password agent,
that is.)

Since most SMTP is still unauthorised, "opportunistic" password sending
may not be welcome.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





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