Amavis 2.10.1 dies and is unusable when put under moderate load

Quanah Gibson-Mount quanah at
Wed Jan 27 15:51:41 CET 2016

--On Wednesday, January 27, 2016 6:40 AM -0800 Quanah Gibson-Mount 
<quanah at> wrote:

> --On Wednesday, January 27, 2016 3:21 PM +0100 Mark Martinec
> <Mark.Martinec+amavis at> wrote:
>> There you go, the problem must be in do_ascii - which calls
>> Convert::UUlib,
>> which in turn uses the uulib library - which has been known to cause
>> crashes
>> in the past. It is ancient library, poorly maintained.
>> The do_ascii has been removed (commented out) from a default @decoders
>> list
>> (I believe in amavisd 2.9.0). I suggest to remove it from your @decoders
>> list in the config file, it causes more grief than is worth.
> Again, the only difference is 2.9.0 vs 2.10.1.  I.e., we used the same
> uulib library in 2.9.0 without these issues.  Unless do_ascii was
> modified between 2.9.0 and 2.10.1 to add uulib checks, this doesn't seem
> like it would be the source.  I will go and remove it however, since it
> is known problematic. :)

Hm, it is a newer version of Convert::UUlib as well, however.  So it may be 
related to that.  I don't know if you've tested Amavis with the current 
release of Convert::UUlib.  It has had some significant changes recently.

Either way, I guess it won't matter for me in the long term now that 
do_ascii is disabled. ;)



Quanah Gibson-Mount
Platform Architect
Zimbra, Inc.
Zimbra ::  the leader in open source messaging and collaboration

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