Suddenly ALL my mail, read and unread, suddenly keeps ending up in Spam

Suddenly ALL my mail, read and unread, suddenly keeps ending up in Spam over and over. It seems anytime I send a message or edit an outgoing message, all the Inbox emails go into Spam -- that's several times a day, no matter how many times I click on the emails and then "NOT SPAM.

Hello Cara, Could you please let us know the username of your account so we checked? Also, we can check your form directly if you share its link. 

Thank you.