[imp] webmail goes too slow

[raquelnuno at vodafone.es]

Hello,
 
 i have installed horde-2.2.7 with imp-3.2.6 under Windows 2000 and 
 IIS 
 5.0. The application works fine but very very slow. Can somebody 
 tell 
 me what can it be??
 
 Thank's,