Nice and useful Rated 4 out of 5 stars
I think this extension is better than XNote because I like it better that it places the notes in the bottom of each message, rather than sticking a yellow note-it on top of everything. Also, the data is saved in a plain text file that can be easily messed with, whereas XNote is also text but does have some binary data too.
WISH! Now if a column could be added in the list view so you can see which mails have notes (like XNote does), I would be thrilled and change my rating to 5 stars! ... someone please......!
One thing to fix (or make as a setting): When you change a note the previous version of the note is still retained. Another note entry for the mail is just added with a newer time stamp. I think it would be good to at least have an option to clean that u....