MailScanner-processes uses up all RAM

Shawn Iverson shawniverson at
Tue Apr 7 19:27:43 UTC 2020

This is odd, because the child processes should recycle periodically.

The default is to...

Restart Every = 7200

waiting is short for "waiting for messages"

What version of MailScanner?

On 4/7/20 7:50 AM, Alexander Neck wrote:
> Dear Mailing-List-Members,
> We’re using MailScanner for  a few years now. Since a short while, we 
> experience MailScanner-processes that use up all the memory and then 
> even force the system to start swapping.
> We did not manage to isolate the error/Source of the Error, from 
> checking with lsof/strace.
> If checked with strace, there are only hundreds of the following Info’s:
> brk(0x6e15b3000) = 0x6e15b3000
> brk(0x6e15d4000) = 0x6e15d4000
> brk(0x6e15f5000) = 0x6e15f5000
> brk(0x6e1616000) = 0x6e1616000 they go on an on….
> If checked with lsof, it’s always a MailScanner-process in Status 
> :waiting:, but there is no info, what it’s waiting for, neither can I 
> find any errors on the system, regarding this problem.
> Did any of you, experience something similar? Does anyone know how to 
> get more Information about the Error/Problem?
> Best Regards,
> Alexander Neck

Shawn Iverson
shawniverson at
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