I am running exchange server 5.5 with sp 4. I have setup OWA which is working fine when I connect from the LAN the intranet. However when i am outside and i use the public ip address I can access OWA. We have one public ip address which is used for internet sharing. Thae mail server in running on Win nt 4.0. plz assist Dishon Ouko Express Automation Ltd. P.O. Box 1351 Mombasa Tel: +254 41 2227640/1 Fax: +254 41 2227642 <http://www.expressautomation.com>