As your snippet says....Your server IP address is in the SORBS DNSBL database, Looks like it's either a dynamic IP address, or it's been relaying spam. S -----Original Message----- From: Andrew English [mailto:andrew@xxxxxxxxxxxxxxxxxxxxxx] Sent: Thursday, October 20, 2005 9:37 AM To: [ExchangeList] Subject: [exchangelist] Is this IMF talking?? http://www.MSExchange.org/ Same client who some employees don't get all their emails, one of them who does get all his emails got this message yesterday. Is this error related to IMF being set too high? I have it set to 3 on both options. name@xxxxxxxxxxxxxxxxxxxxxxx on Wed, 19 Oct 2005 15:45:51 -0400 The recipient could not be processed because it would violate the security policy in force <exchange.chippery.com #5.7.0 smtp;550 5.7.0 Your server IP address is in the SORBS DNSBL database, bye> Thanks Andrew The correct technical term for haggis stalking is "havering".