-> I have the following in my ROUTE.REX in my Irex directory. 
 
-> route-to 1:123/500 1* 2* 3* 4* 
-> except 1:116/* 
-> route-to 1:116/18 1:116/* 
-> except 1:120/* 
-> except 1:11/* 
-> route-to 1:120/544 1:120/* 1:11/* 
  
Your routing is set up in the wrong place.  Netmail routing should be 
set up in PXConfig and not in Internet Rex. 
 
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--- Wildcat! v6.4.454.2 (Nov 17 2011), Editor Mod v2.0 
 * Origin: Neptune's Lair * Memphis TN * winserver.org (1:116/18)