This is truly annoying and makes me hesitate to use the '+' feature. The problem I've had is when I get manually subscribed to an email list (like when giving m

This is truly annoying and makes me hesitate to use the '+' feature. The problem I've had is when I get manually subscribed to an email list (like when giving my email on paper or being added after sending a senator an email) and then cannot unsubscribe due to validation failures.