You need to check the email address you have listed here on TS. The notices regarding the topics to which you subcribed are being bounced from the email address you have in your profile.
Log in and go to My Controls. Then look under Options/ Change email address. Follow directions to change the address. You will then get a message sent to the new address after which you will need to validate the change by clicking on the link in the message.
In the meantime I have disabled the subscriptions you checked off for notification. You can resume the subscriptions after you correct your email address.
If you still have the same address and it is valid you then need to contact your account ISP or domain and ask them why your messages are bouncing.
Thanks.
