[imp] IMP/PHP crash with some simple e-mail

[Listaccount]

Hello

we have a e-mail message crashing PHP/Apache on two really different  
systems despite the fact the the message (attached) seams to have no  
anomaly as far as i can see. Can someone confirm crashes or the other  
way around with this message and is someone able to comment why this  
message is resistant against beeing displayed with IMP. Both systems  
run fine with many thousand e-mail otherwise.

First Webmail System :
Apache 2.0.54 with PHP 4.4.7

Second Webmail System
Apache 2.2.3 with PHP 5.2

The error in the logfile is in both cases
[Mon Oct 22 12:10:39 2007] [notice] child pid 4125 exit signal  
Segmentation fault (11)

and nothing more.

Thanxs for any help

Andreas


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