Perfect, that answers my question.  Thanks Anthony

On Aug 16, 2006, at 11:49 AM, Anthony Baratta wrote:

> When a Binary file is sent via email it must be converted to ASCII.  
> This is done via MIME encoding. The encoding has an overhead, and  
> that is the difference in the file sizes you are seeing.
>
> -----Original message-----
> From: MT [EMAIL PROTECTED]
> Date: Wed, 16 Aug 2006 10:42:51 -0700
> To: qmail-scanner-general@lists.sourceforge.net
> Subject: [Qmail-scanner-general] email size
>
>> This maybe an easy one for veteran email administrators.  This isn't
>> an isolated incident, it happens with each email that has an
>> attachment.  Say I send an email to myself with an mp3 attachment.
>> The log reports this:
>>
>> Aug 16 11:22:22 mail.cmc.com qmail-scanner[10831]: Clear:RC:0
>> (10.5.4.46):SA:0(?/?): 4.422314 5468648 mtice @ cmc.com mtice @
>> cmc.com TEST2 <[EMAIL PROTECTED]>
>> Track_1.mp3:4047616 1155748939.10842-0.mail:2 orig-
>> mail115574893777610831:5468648
>>
>> The attachment size is 4047616, but the total size is 5468648.  What
>> is the discrepancy?  It seems that this "filler" is applied to each
>> email with an attachment.  Any ideas?
>>
>> Thanks,
>> Matt
>>
>>
>> --------------------------------------------------------------------- 
>> ----
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>


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