If they are genuine and not spam you need to contact TalkTalk.
To check if they are spam check the sender's real email address by hovering over their name if it's anything other than TalkTalk or possibly Everymail, then it's spam
If genuine, Please see here for more details and the action you need to take depending on your circumstances.
https://community.talktalk.co.uk/t5/Email/Everymail-transition/td-p/3148465
Thank you
From the 29th of March our TalkTalk Community will move to peer-to-peer support and the TalkTalk team will no longer be here to support with queries. Don’t worry we still have plenty of ways to reach out if you need to speak to TalkTalk directly. For more details check out the link here:
How to contact TalkTalk Broadband - Help & Support.
