To provide more information, the error message user receive is "Proxy Server - access permission has been denied. Please see your network administrator". I don't recall I have set any security restriction for this use. No restriction rule that I apply to any Web-based email user at all. For example, user can logon to hotmail OK. So, what is the cause ??? -----Original Message----- From: BY [mailto:bysoo@xxxxxxxxxxxxxx] Sent: Monday, 18 March 2002 7:56 PM To: (isalist@xxxxxxxxxxxxx); Fw-1-Mailinglist (fw-1-mailinglist@xxxxxxxxxxxxxxxxxxxxxxx); Proxy Server Discussions (proxy@xxxxxxxxxxxx) Subject: web-based account Dear all, Firewall = Firewall Checkpoint 4.1 SP8 External DNS Server = NT 4.0 SP5 Proxy Server = MS Proxy Server 2.0 SP2 Internal DNS Server = NT 4.0 SP6 Workstation = WINNT 4.0 SP5 This only happens on 1 web-based Telstra email user on any network PC and laptop. But the user can logon if using dial-up link, not within LAN environment. Does anyone know why? BY