On Mon, Apr 13, 2009 at 06:48:18AM +1000, Cameron Simpson wrote: > On 12Apr2009 10:30, Zhengquan Zhang <[email protected]> wrote: > | On Sun, Apr 12, 2009 at 08:34:14AM +0200, Markus Mueller wrote: > | > However, > | > if you look at all headers, 'h' as default in pagermode, you will most > | > likely find some unique header. Be it 'To:' or something else. > | > The mutt-users list also is quite distinguishable: > [...] > | > Sender: [email protected] > > | > > | > Sender probably is the best field for this purpose, as nobody besides the > | > admin can influence what is put there, whereas one could write mail > | > 'To: f...@invalid, [email protected]' > | > | Thanks for the insight, I have a question, do you mean that only the > | sender header is only influenced by the admin but other headers can be > | rewritten by MTAs or others? > > Pretty much. Sender can be written too. However, we're not defeating forgery, > we're trying to identify all mutt-users posts. The mailing list software > _always_ puts that header in, regardless of what people put in the to/cc/bcc > lines etc. So it is reliable in that sense. > > Cheers, > -- > Cameron Simpson <[email protected]> DoD#743 > http://www.cskk.ezoshosting.com/cs/ > > Rules of Optimization: > Rule 1: Don't do it. > Rule 2 (for experts only): Don't do it yet. > - M.A. Jackson
-- Zhengquan
