17. The method according to claim 16 wherein said generating a keyword set comprises aggregating a plurality of keyword sets using a weight based mixing function into an aggregated keyword set, and wherein said presenting comprises presenting said aggregated keyword set to said user.
17. The method according to claim 16 wherein said generating a keyword set comprises aggregating a plurality of keyword sets using a weight based mixing function into an aggregated keyword set, and wherein said presenting comprises presenting said aggregated keyword set to said user. 18. The method according to claim 17 wherein said presenting said aggregated keyword set comprises: suggesting tags to be applied to said new email message, said applied tags being derived from said aggregated keyword set; and displaying said applied tags to said user with said new email message is opened.