We've seen a few failures regarding thunderbird recently and deleting the account, closing the program, opening it and re-adding the email account seems to have worked.
However, you say Webmail also fails, although you received the access code for the forum, so not sure this is the same issue.
It might be worth trying though to make certain the account is in sync.
I assume you have been using imap rather than pop. If not try imap.
Please let us know if it helps.
If not please put the affected email address in the private notes field of your profile which only staff can see and they will respond next week.
Please remember to mark Solved Posts with Best Answer. Doing so helps other customers and saves TalkTalk's Support Team time by only looking at unsolved topics. Thanks, Steve (a fellow customer).
