GNU bug report logs - #34011
26.1; smtpmail-try-auth-method: wrong-type-argument characterp Á¢\203^M^@ÀÁ¢À¢!_\210À¢\207

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Pierre Neidhardt <mail <at> ambrevar.xyz>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.1; smtpmail-try-auth-method: wrong-type-argument characterp
 Á¢\203^M^@ÀÁ¢À¢!_\210À¢\207
Date: Mon, 07 Jan 2019 20:15:25 +0100

Once in a while, I get the following error when I try to send an e-mail.

--8<---------------cut here---------------start------------->8---
Debugger entered--Lisp error: (wrong-type-argument characterp "\301\242\203\015\0\300\301\242\300\242!\240\210\300\242\207")
  smtpmail-try-auth-method(#<process smtpmail> plain "mail <at> ambrevar.xyz" #f(compiled-function () #<bytecode 0x50a2e59>))
  smtpmail-try-auth-methods(#<process smtpmail> (dsn 8bitmime enhancedstatuscodes (auth plain login) etrn (size \35651584)) "mail.gandi.net" 587 nil)
  smtpmail-via-smtp(("john <at> doe.org") #<buffer  smtpmail temp>)
  smtpmail-send-it()
  message-multi-smtp-send-mail()
  message-send-mail(nil)
  message-send-via-mail(nil)
  message-send(nil)
  message-send-and-exit(nil)
  funcall-interactively(message-send-and-exit nil)
  call-interactively(message-send-and-exit nil nil)
  command-execute(message-send-and-exit)
--8<---------------cut here---------------end--------------->8---

The above "wrong character" reads as "Á¢\203^M^@ÀÁ¢À¢!_\210À¢\207" in ASCII (the
^- and \-prefixed characters are not printable).  I think it's always the same
string.

The error persists if I try to resend.  However, I've noticed that trying to
resend the mail some time later (1 hour or so) may succeed.  Rebooting also
seems to work all the time, but re-logging does not always work.

I use mu4e 1.0c.

I've noticed this issue only recently and it might coincide with the change of
router.  Indeed, I haven't yet experienced this issue when connecting my laptop
to a different router.

My SMTP configuration:

--8<---------------cut here---------------start------------->8---
 (smtpmail-smtp-server . "mail.gandi.net")
 (smtpmail-stream-type . starttls)
 (smtpmail-smtp-service . 587)
--8<---------------cut here---------------end--------------->8---

A friend of mine had the same issue, only on my routeur, with Gmail and
mu4e.

Any clue?  Any pointer?







In GNU Emacs 26.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.0)
 of 2018-11-14 built on localhost
Windowing system distributor 'The X.Org Foundation', version 11.0.12003000

Configured using:
 'configure
 CONFIG_SHELL=/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash
 SHELL=/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash
 --prefix=/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1
 --enable-fast-install'

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Message #8 received at 34011 <at> debbugs.gnu.org (full text, mbox):

From: Pierre Neidhardt <mail <at> ambrevar.xyz>
To: 34011 <at> debbugs.gnu.org
Subject: Re: bug#34011: Acknowledgement (26.1; smtpmail-try-auth-method:
 wrong-type-argument characterp Á¢\203^M^@ÀÁ¢À¢!_\210À¢\207)
Date: Tue, 05 Mar 2019 17:17:58 +0100

[Message part 1 (text/plain, inline)]

I think I'm starting to understand what's happening:

When the bug occurs, I can't send email with one of my 2 addresses for a
while.
Generally, the other address works fine, but not always.
After some hours, the bug goes away, without me doing anything special.

After reading through the auth-source manual, I realized thanks to
`(setq auth-source-debug 'trivia)' that the passwords are cached.

Running `(auth-source-forget-all-cached)' clears the issue instantly.

My conclusion is that somehow the password cache gets corrupted, in ways
that are not handled properly by Emacs.

What's really puzzling is that the issue is not deterministic.  The only
source of non-determinism I can see here is that the password cache is a
hash table.

Something else: I noticed that one of my passwords in .authinfo.gpg had
both a " (double quote) and a ' (simple quote), which, according to the
manual, is not supported.  auth-source does not catch this, it would be
nice if it would.

I've changed the offending password.  Let's see if I ever get an issue again.

--
Pierre Neidhardt
https://ambrevar.xyz/

[signature.asc (application/pgp-signature, inline)]

Message #11 received at 34011 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Pierre Neidhardt <mail <at> ambrevar.xyz>
Cc: 34011 <at> debbugs.gnu.org
Subject: Re: bug#34011: Acknowledgement (26.1; smtpmail-try-auth-method:
 wrong-type-argument characterp Á¢\203^M^@ÀÁ¢À¢!_\210À¢\207)
Date: Mon, 23 Sep 2019 17:31:58 +0200

Pierre Neidhardt <mail <at> ambrevar.xyz> writes:

> Something else: I noticed that one of my passwords in .authinfo.gpg had
> both a " (double quote) and a ' (simple quote), which, according to the
> manual, is not supported.  auth-source does not catch this, it would be
> nice if it would.

The .netrc/.authinfo format is kinda loosely defined -- I'm not sure
whether being strict at this point would break more than it would help.

> I've changed the offending password.  Let's see if I ever get an issue again.

Are you still seeing this problem?

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

Message #16 received at 34011 <at> debbugs.gnu.org (full text, mbox):

From: Pierre Neidhardt <mail <at> ambrevar.xyz>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 34011 <at> debbugs.gnu.org
Subject: Re: bug#34011: Acknowledgement (26.1; smtpmail-try-auth-method:
 wrong-type-argument characterp Á¢\203^M^@ÀÁ¢À¢!_\210À¢\207)
Date: Mon, 23 Sep 2019 19:16:56 +0200

[Message part 1 (text/plain, inline)]

Completely forgot about this issue because, well, it stopped :p

Note that 2 weeks later I switched from mu4e to Notmuch.
So either that or changing the password did fix the issue

-- 
Pierre Neidhardt
https://ambrevar.xyz/

[signature.asc (application/pgp-signature, inline)]

Message #19 received at 34011 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Pierre Neidhardt <mail <at> ambrevar.xyz>
Cc: 34011 <at> debbugs.gnu.org
Subject: Re: bug#34011: Acknowledgement (26.1; smtpmail-try-auth-method:
 wrong-type-argument characterp Á¢\203^M^@ÀÁ¢À¢!_\210À¢\207)
Date: Mon, 23 Sep 2019 19:21:48 +0200

Pierre Neidhardt <mail <at> ambrevar.xyz> writes:

> Completely forgot about this issue because, well, it stopped :p

:-)

> Note that 2 weeks later I switched from mu4e to Notmuch.
> So either that or changing the password did fix the issue

OK, closing this bug report.

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

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