Re: [exim] Strange problem with mime_acl_check.

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Author: kuncho pencho
Date:  
To: exim-users
Subject: Re: [exim] Strange problem with mime_acl_check.
Hi Dennis,

Did you
read my first post about the problem? That is one our client and one our user. I don't think they will
tried "zip bomb". I know i'm not very common with Linux and Exim, and that's why i'm asking here.
But thanks for the help to all.










>-------- Оригинално писмо --------


>От: Dennis Davis dennisdavis+exim-users@???


>Относно: Re: [exim] Strange problem with mime_acl_check.


>До: exim-users@???


>Изпратено на: 16.01.2016 09:31



On Sat, 16 Jan 2016, kuncho pencho wrote:



> From: kuncho pencho kuncho_71@??? >


> To: exim-users@???


> Date: Sat, 16 Jan 2016 05:30:09


> Subject: Re: [exim] Strange problem with mime_acl_check.


>


> The client deleted the attachment but one of our users had the


> same problem also. He deleted attachment to, but i login remotely


> to his pc, made exactly same attachment and copied to mail


> server. Check it and it pass about 1m16.021s. :( Will wait for the


> next time ..




...



Possibly worth mentioning that zip files can be constructed to

consume inordinate amounts of resources when decoded. Such

malicious files can be used to severely stress-test or disable

anti-virus systems etc. See:



https://en.wikipedia.org/wiki/Zip_bomb



for brief details.



I never had the nerve to try passing 42.zip through a production

email system :-(

--

Dennis Davis dennisdavis@??? >



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