How to Remove X-headers

[Scott Silva]

on 3-13-2009 2:51 PM Alex Broens spake the following:
> On 3/13/2009 10:29 PM, Hugo van der Kooij wrote:
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>> Randal, Phil wrote:
>>> We've hit the same issue this week.
>>>
>>> The relevant Microsoft documentation is here:
>>>
>>> Understanding the Impact of Named Property and Replica Identifier Limits
>>> on Exchange Databases
>>>
>>> http://technet.microsoft.com/en-us/library/bb851492.aspx
>>>
>>> Events 9666, 9667, 9668, and 9669 Received When Named Properties or
>>> Replica Identifiers Are Depleted for An Exchange Database
>>>
>>> http://technet.microsoft.com/en-us/library/bb851495.aspx
>>> Note how Microsoft has completely lost the plot on this one, and fails
>>> to understand that there could be any number of unique X- header lines,
>>> not just their arbitrary limit of at most 327766 "Named properties".
>>
>> So if I start adding randomness to my headers and send out enough email
>> to an exchange server I will get the Exchange admin into a tight spot?
>>
>> I must say I almost feel tempted to install just such a scheme to hit on
>> Microsoft admins worldwide ;-)
> 
> hey, no need to go thru such trouble....
> 
> consider how many of these are silently doing it for you, nice and
> slowly. till at one point, 10 mails will DOS a box.
> Botnets attacks are peanuts compared to this.
> 
> lets start counting:
> 
> ESP's tracking & X-Mail headers.
> Antispam devices adding huge header sets
> MUA headers
> MailScanner Organisation/etc unique headers
> Devices using Spamassassin with modified header sets
> BATV type implementations
> 
> there sooooooo many out there at some point there'll be global panic
> hitting Microsoft related forums/lists.
> 
> Honestly, dunno if one should start sending out advisories to clients to
>  prepare for the big bang, or does M$ ack and promise to provide a fix?
> 
> Alex
Microsoft will probably SELL a fix as an upgraded Exchange version. Or they
will sue everybody when they suddenly find that they own the patent for mail
headers!



-- 
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!

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