How to Remove X-headers

Kevin Miller Kevin_Miller at
Thu Mar 12 17:43:45 GMT 2009

Julian Field wrote:
> On 12/3/09 17:22, Kevin Miller wrote:
>> Glenn wrote:
>>> Julian - Yes, I tried X-Mime.* and it does not work.
>>> It seems the X-header limit in Microsoft Exchange is just now
>>> beginning to cause problems.  There is already a commercial fix for
>>> Exchange 2007 (, but of
>>> course we are using Exchange 2003.  So you have at least one
>>> "people" who could put this functionality to use, and probably
>>> others will be looking for it soon. Thanks.   -Glenn.
>> Hmmm.  Maybe it's a subtle way to force you to upgrade?<g> Jeepers,
>> this looks like a wide open vector for a targeted DDoS attack if one
>> wanted to take out someone's exchange server.  Scary... 
> Maybe I should add a random-number generate into the "header" action
> so you can generate randomly-numbered headers? That would take out an
> Exchange server pretty quickly :-( 

Excatly.  Microsoft really needs to come up w/a better solution than 'migrate your users to a new database'.  Someone is going to do exactly that - you can almost bank on it.  Since they're storing the x-headers, you'd think it would be an easy thing to add a date field, and update it when a specific header is seen, then auto clean anything older than say six months.  Not that they'll do such a thing.  Sigh.  Zimbra anyone?

Kevin Miller                Registered Linux User No: 307357
CBJ MIS Dept.               Network Systems Admin., Mail Admin.
155 South Seward Street     ph: (907) 586-0242
Juneau, Alaska 99801        fax: (907 586-4500

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