Unable to send email

[Di_and_Bri]

Message could not be sent to the following recipients: ["quotes@citrushealthcare.co.uk" <quotes@citrushealthcare.co.uk>] (550 - 550 5.7.1 Reject for policy reason)

Same error appears with other recipient addresses. I normally use Thunderbird but get same error with Firefox bowser connecting direct to talktalk mail service

[siphosethu-TT]

Hi there @Di_and_Bri, please respond to @fr8ys question so we're able to assist you. Thanks

[fr8ys]

Have you received any emails about subscribing to Everymail or see a red banner when logging into Webmail.

If so, Please see here for more details
https://community.talktalk.co.uk/t5/Email/Lost-access-to-your-E-mails-Please-read/m-p/3115859#M19473...
Please post back once you have actioned if you believe your emails require linking.
Thank you.