Just to let people know that if you use email subscriptions it is in your best interests to ensure that your email account works and doesn't bounce back the mail. For every account that bounces back three emails in a row with a permanent error, I personally login to that account, cancel all subscriptions and then disable the account until the user contacts me to rectify the situation. I am sure you can imagine how frustrating it is to receive multiple bounced emails day in and day out.
Please bear that in mind if you change email addresses or have a habit of subscribing to all the galleries and every thread