Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

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

Sending of the message failed. An error occurred while sending mail: the return mail address was invalid. Please verify that your email address is correct in

more options

Sending of the message failed. An error occurred while sending mail: the return mail address was invalid. Please verify that your email address is correct in your account settings and try again.

wont let me send an email.

Sending of the message failed. An error occurred while sending mail: the return mail address was invalid. Please verify that your email address is correct in your account settings and try again. wont let me send an email.

All Replies (1)

more options

What is your question? Have you done what the message is instructing you to do -- i.e. to verify that your email address is correct in your account settings?