On Sun, 2008-11-30 at 16:22 +0300, Nikita Kipriyanov wrote: > Will it remove them, replace them or simply add new ones? In the latter > case, how do I tell headers, added by my SpamAssassin, from headers, > that were there before my mail server? > SA adds a new set of headers. Look at the X-Spam-Checker-Version header, which shows the name of each host that has run SA against this message. The most recent set of headers is at the top.
Martin