In mail

Insert !os2.tag in mail
File->Run external utility program->x:\bandit\bandit.exe


Using filter

Settings->Filters->Add->enter name
Deselect Incoming news & mail
Select Outgoing mail & news
Add condition
Where to search : Message Body
What to search for : !
Actions :
Select  Execute REXX
insert

X:\BANDIT\BANDIT.CMD

