On Thu, 7 Jun 2007, Richard Clayton wrote: > > By understanding the structure of the mail systems that send you email > and picking out the appropriate header for the appropriate system. > This doesn't scale well, but it is one way of dealing with a handful of > major systems where you don't want to penalise the many for the > activities of the few...
SpamAssassin's heuristics for this cover more than just a handful of major systems, though they do have a fair bit of ad-hoc code for dealing with the variability of Received: headers. Tony. -- <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> http://dotat.at/ ${sg{\N${sg{\ N\}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}\ \N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}} -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
