You can choose a third party software (anti spam software) to do this. Try out Mail essentials from GFI.. http://www.gfi.com -----Original Message----- From: Graham Shelton [mailto:Graham.Shelton@xxxxxxxxxxx] Sent: Friday, May 24, 2002 11:37 AM To: [ExchangeList] Subject: [exchangelist] Blocking Mails.... http://www.MSExchange.org/ - Re-Vamped! How do I successfully stop mail being sent to and received from certain addresses or domains? All information I have found so far points to entering the addresses in Message Delivery -. Unfortunately it doesn't seem to work. ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: robert@xxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub') **************************************************************** This mail was content checked for malicious code and viruses by MailSecurity. MailSecurity provides email content checking, exploit detection and anti-virus for Exchange. Spam, viruses, dangerous attachments & offensive content are removed automatically. Key features include: Multiple virus engines; Email content & attachment checking; Exploit shield - email intrusion detection & defence; Email threats engine - analyses & defuses HTML scripts, .exe files & more. *************************************************************** In addition to MailSecurity, GFI also produces the FAXmaker fax server & LANguard network security product ranges. For more information on our products, please visit http://www.gfi.com This disclaimer was sent by Mail essentials for Exchange/SMTP.