On Fri, 23 Apr 2010, Always Learning wrote: > I have changed the test to this, which I think will be more effective at > detecting the use of 'mail server' connections having 'ADSL' in their > host names. > > deny message = [C06.5] Msg6 Msg2 > hosts = ^.*[a][-_.][d][-_.][s][-_.][l]* : > ^.*[a][d][s][l]*
I strongly suggest, before you attempt such naiive filtering, that you speak to Steven Champeon. He has vast experience in this sort of filtering, built over many years, as part of his Enemies List product. He deals in the order of tens of thousands of patterns to make the determination you have attempted with one (broken) one. http://enemieslist.com/ Jethro. . . . . . . . . . . . . . . . . . . . . . . . . . Jethro R Binks Computing Officer, IT Services, University Of Strathclyde, Glasgow, UK -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
