fanficfare update only stories I have

I've been using fanfiction.net's (FFN) email notifications of new chapters in books, to tell fanficfare what to download, using "Get Story URLs from Email".

A challenge is, I don't only want to hear about new chapters, I also want to hear about new stories from authors I like. So in FFN I have followed authors, not their individual books.

This means I get many chapter update emails for stories I'm not reading.

Is there any clever way for fanficfare to ignore chapter notification emails for stories that aren't in the library yet? Or another way to accomplish same? Note that an Ignore list won't work, because the whole point is that I don't know what stories may be authored, I can't know the IDs in advance to Ignore them.

Right now what I've been doing is using mailbox filtering to separate chapter notifications from new story notifications, that helps a little. But barring fanficfare providing a switch, I guess I will have to figure out a way to separate chapter notifications for books in my library, from those not. I suspect it will take some fiddling.

Once I get FanficFare updating only the stories I want, then the next thing is to get it to do some on a time schedule, so my calendar updates when I'm away from home. But one thing at a time I guess.

Thanks

glen