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From: Robert Pluim <rpluim@gmail.com>
To: Vladimir Nikishkin <lockywolf@gmail.com>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Can't send mail with smtpmail "any more". (Gmail and other providers)
Date: Tue, 27 Oct 2020 17:02:09 +0100	[thread overview]
Message-ID: <87r1pjr726.fsf@gmail.com> (raw)
In-Reply-To: <CA+A2iZZVM4yXW0sEMG=kDgDCx7vyTfsLpG71wTQPZJg7adnfbw@mail.gmail.com> (Vladimir Nikishkin's message of "Tue, 27 Oct 2020 23:45:53 +0800")

Vladimir Nikishkin <lockywolf@gmail.com> writes:

> I worked around this issue by switching to port 465+ssl/tls
>

That in itself is a good thing :-)

> It almost seems like port 587 got blackholed by something.

Itʼs not uncommon for ISPs to block outgoing port 25, I guess somebody
decided to do the same for 587

> Debugging facilities did not illuminate the situation, the deadlock happens
> before anything is written there.

Itʼs not a deadlock, itʼs just that whoever is doing the blocking just
drops the packets rather than sending a reset, so Emacs is waiting for
a response that will never come (and eventually TCP will time out).

Robert



  reply	other threads:[~2020-10-27 16:02 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-27  4:49 Can't send mail with smtpmail "any more". (Gmail and other providers) Vladimir Nikishkin
2020-10-27 15:15 ` Eli Zaretskii
     [not found]   ` <CA+A2iZbz7Z_ma2NBCFYq8rvfCiFB4d0X1+w9=0rSeByCeQDr1g@mail.gmail.com>
2020-10-27 15:45     ` Vladimir Nikishkin
2020-10-27 16:02       ` Robert Pluim [this message]
2020-11-01 12:34   ` Saša Janiška
2020-11-01 13:05     ` Jean Louis
2020-11-01 13:30       ` Can't send mail with smtpmail "any more" " Saša Janiška
2020-11-01 15:30         ` Jean Louis
2020-11-01 19:03           ` Saša Janiška
2020-11-01 21:19             ` Jean Louis
2020-11-02 12:27               ` Saša Janiška
2020-11-01 15:20       ` Can't send mail with smtpmail "any more". " Vladimir Nikishkin
2020-11-02  9:36         ` notmuch or mu for Emacs - " Jean Louis
2020-11-01 15:24     ` Eli Zaretskii
2020-11-01 19:05       ` Saša Janiška
2020-11-01 19:39         ` Eli Zaretskii
  -- strict thread matches above, loose matches on Subject: below --
2020-10-27  3:39 Vladimir Nikishkin
2020-10-27  4:19 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-27  4:51   ` Vladimir Nikishkin

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