In Exchange there is an option where you can block IP addresses or bettr still use your firewall to block tcp packets from that Ip address -----Original Message----- From: KEN MORRIS [mailto:KMORRIS@xxxxxxx] Sent: Monday, 23 February, 2004 8:29 PM To: [ExchangeList] Subject: Blocking IP address?? http://www.MSExchange.org/ This is a multi-part message in MIME format.