silverstripe-labs/silverstripe-newsletter — pull request #4 by roed (2012-02-21 13:56:39+00:00)
Title: Remove unsubscription when someone subscribes who once unsubscribed.

I added the functionality that will remove unsubscription when someone subscribes to a newsletter who once unsubscribed. I also added an e-mail address filter (for weird characters) and translation function for field labels.