Sounds like someone got ahold of the password you use on mailman.
All unsubscribe operations require that password.

Did anyone get ahold of an old e-mail backup or something like that?

Brian Cluff

----- Original Message ----- 

> Is there some way we could have unsubscribes be confirmed the same as
> subscribes?  I have no idea how many messages I may have missed because
> someone thought it'd be cute to type my e-mail address into the
> unsubscribe page.