Pai, Try this cool link http://www.isaserver.org/tutorials/Making_Outlook_Express_Work_with_ISA_ Server_Quick_Start_Guide.html With Kind Regards, Khan ____________________________ Faizal Khan MIS Manager Guyana Forestry Commission 1 Water Street, Kingston, Georgetown, GUYANA. Tel : + (592) 226-7272 Fax : + (592) 226-8956 Email: Forestry.mis@xxxxxxxxxxxxxxxxx Website: http://www.forestry.gov.gy <http://www.forestry.gov.gy/>