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Re: imap server not reopened after timeout

From: Dan Christensen
Subject: Re: imap server not reopened after timeout
Date: Fri, 09 Oct 2009 20:15:20 -0400
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1.50 (gnu/linux)

Tim Landscheidt <> writes:

> Dan Christensen <> wrote:
>> The very frequent dropped connections don't happen if I don't use TLS.
>> To summarize:
>> - they happen with TLS to port 143
>> - they don't happen with a plain connection to port 143
>> - they don't happen with a TLS connection to port 11143
>> - they don't happen if I connect using
>>     ssh dovecot --exec-mail imap
> Is the integration of SSL/TLS into core Emacs on any priority list? I
> would assume that the current implementation with the external
> program(s) is rather fragile.

I don't think starttls is to blame, since the problem goes away if I
switch to point 11143.  Moreover, it turns out I get the problem with
evolution and thunderbird.  So it's more likely a network filtering

Still, starttls does seem fragile, and slow to connect.  When I tried my
tests with thunderbird, it reconnected so quickly that you could hardly
tell that it was reconnecting about once every two or three seconds.
In contrast, Gnus is slow to connect, and fails with an error when the
connection is dropped rather than automatically reconnecting and
continuing the operation.


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