PII != the whole discussion. A common theme is to set the user ro "deleted user". As long as it is not associated with you it's fine. Also you request deleti

PII != the whole discussion. A common theme is to set the user ro "deleted user". As long as it is not associated with you it's fine. Also you request deletion that the party and their contractors hold. So a mailing list may not show your name for past messages, but delivered mails are outside their perimeter/scope.