[exim-dev] [Bug 1442] DNS timeout in DKIM verification can c…

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Autor: Jeremy Harris
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Dla: exim-dev
Stare tematy: [exim-dev] [Bug 1442] New: DNS timeout in DKIM verification can cause email delivery issues
Temat: [exim-dev] [Bug 1442] DNS timeout in DKIM verification can cause email delivery issues
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http://bugs.exim.org/show_bug.cgi?id=1442

Jeremy Harris <jgh146exb@???> changed:

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--- Comment #1 from Jeremy Harris <jgh146exb@???> 2014-11-06 14:39:06 ---
An alternate view might be that it's a bug in the resolver library for not
putting a reasonable timeout on a TCP lookup they way it does for a UDP one
(which seems to do something like 5 seconds, 3 tries by default on my system).

The current Exim coding assumes a synchronous service from the resolver
library,
including returned indications of timeout.


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