Related Questions:
When sending an email it is saying that it has failed due to a 451 Internal Server Error, why?
Why when I log into Event Temple I am told that my account has critical errors and I am re-directed to my email settings where it says that there is a 451 Internal Server Error?
Procedure:
Within your email settings, please click Disconnect Email & Reconnect your email provider. If you still experience issues, please reach out to our friendly support team via the in-app chat & we'll be happy to help!