[imp] IMP+Horde kills Apache

[Lars Hecking]

> When the /horde/imp/ page is accessed, the login screen shows up
> correctly. When an attempt is made to log in, the browser hangs. It
> turns out that from this point on Apache has hung solid - the only way
> to recover is to do a "killall -9 httpd".

 kill -9 is generally wrong in most situations. Have you tried other
 signals?

 Please see
   http://www.ling.helsinki.fi/users/reriksso/unix/award.html#uuk9letter