On Wed, 2007-12-12 at 07:34 +0100, M. Fioretti wrote: > clients which thread only on the subject line should be > burned and forgotten as soon as possible Agreed. But a great many count a change in subject line as a thread divergence, even if still part of the same thread, even while threading properly by the various mail ID headers. All-in-all, it's a thorough mess to deal with. -- [tim@bigblack ~]$ uname -ipr 2.6.23.1-10.fc7 i686 i386 Using FC 4, 5, 6 & 7, plus CentOS 5. Today, it's FC7. Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists.