APPROVE COMMIT web Some spammers are "obscuring" headers by "encoding" them as "quoted-printable UTF-8" even though they contain only ASCII. This looks like the kind of thing that a brain-dead MUA might do if a user asked it to do so, so I have hesitated, but there have been no false positives in many months, and recently I've been seeing hundreds in a week. Index: Lists/ChangeLog =================================================================== RCS file: /pack/xemacscvs/XEmacs/xemacsweb/Lists/ChangeLog,v retrieving revision 1.26 diff -u -U0 -r1.26 ChangeLog --- Lists/ChangeLog 30 Dec 2004 08:44:04 -0000 1.26 +++ Lists/ChangeLog 15 Feb 2005 09:12:00 -0000 ＠＠ -0,0 +1,4 ＠＠ +2005-02-15 Stephen J. Turnbull <stephen(a)xemacs.org&gt; + + * index.content: Add utf8-obfoo to the instant-death list in #spam. + Index: Lists/index.content =================================================================== RCS file: /pack/xemacscvs/XEmacs/xemacsweb/Lists/index.content,v retrieving revision 1.26 diff -u -r1.26 index.content --- Lists/index.content 30 Dec 2004 08:44:05 -0000 1.26 +++ Lists/index.content 15 Feb 2005 09:09:19 -0000 ＠＠ -485,8 +485,7 ＠＠ Due to a dramatic increase in the amount of spam and a near perfect record of like 0.05% false positives, we are discarding near-certain spam without checking as of 2004-04-27. We have - added two more categories as of 2004-05-25. We've added several - more categories as of 2004-12-30. Here are the + added more categories as recently as 2005-02-15. Here are the criteria, any of which qualifies your post for automatic discard: </p> ＠＠ -517,6 +516,10 ＠＠ Have a From or Sender address that procmail thinks is a daemon. Basically that means sendmail and other MTAs, mailing list managers, and root. + </li> + <li> + Have From, To, <em>and</em> Subject headers containing 100% + ASCII text encoded as utf-8 quoted-printable. </li> </ol> -- Graduate School of Systems and Information Engineering University of Tsukuba http://turnbull.sk.tsukuba.ac.jp/ Tennodai 1-1-1 Tsukuba 305-8573 JAPAN Economics of Information Communication and Computation Systems Experimental Economics, Microeconomic Theory, Game Theory