I've read a few post on trying to implement a newsletter for WP. The only one that appears to useable is the paid semiologic.
Asking if anyone has had success implementing this feature on the latest WP2.
I know you can use rss feed with something like feedblitz, but this involves the user registering somewhere else.
Ideally, the newsletter would pull the most recent posts, and could be set as a digest, say send out every week, rather than daily. Users on the blog could choose to subscribe/unsubscribe at any time.
Subscribe2 is great, but sends out an email on every post.
And the Mailing-List plugin:
doesn't seem to work on WP2, produces an error which crashes any plugins from being activated: