Rated 5 out of 5 stars

Win 10 64 bit. FF56 and 57.0.1 (both computers/browsers same behavior)
It was working recently. Now, all of a sudden, will not report new Yahoo email. It seems to log in, and I can click in the XN window to get to all my Yahoo email accts, but will not report new emails.

This review is for a previous version of the add-on (4.1.7).  This user has 5 previous reviews of this add-on.