On 07/28/11 10:21 AM, Marko Vojinovic wrote: > So the mail clients that don't set these headers should be fixed, right? I > mean, fix the broken software rather than try to fix human habits in order to > keep using broken software. a frequent cause of missing "References" seems to be users who get a digested list, then manually try and reply to a message within it. the whole digest thing seems like a hangover from an earlier era when emailers didn't have filters and folders. -- john r pierce N 37, W 122 santa cruz ca mid-left coast