This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cannot send email from sub account.

  • 1 reply
  • 1 has this problem
  • 33 views
  • Last reply by christ1

more options

When I try and send and email from a sub account this is the error message that I receive.

An error occurred while sending mail. The mail server responded: 5.7.1 Authentication required. Please verify that your email address is correct in your account settings and try again.

When I try and send and email from a sub account this is the error message that I receive. An error occurred while sending mail. The mail server responded: 5.7.1 Authentication required. Please verify that your email address is correct in your account settings and try again.

All Replies (1)