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

email cannot send

  • 1 reply
  • 0 have this problem
  • 1 view
  • Last reply by david

more options

I have changed router to ZYXEL VMG3925-B10C . Old router was old and not cope with internet speed. however emails worked in and out OK. Since the change done yesterday when I try to send emails I get the following error message. Incoming emails are all received.

"Sending of the message failed. An error occurred while sending mail. The mail server responded: REJ-RELAY-001: relay not permitted. Please check the message recipient"

The error comes somewhere in the domain of Thunderbird , router or internet provider but as as I am not an expert I do not how to solve the problem.

I have changed router to ZYXEL VMG3925-B10C . Old router was old and not cope with internet speed. however emails worked in and out OK. Since the change done yesterday when I try to send emails I get the following error message. Incoming emails are all received. "Sending of the message failed. An error occurred while sending mail. The mail server responded: REJ-RELAY-001: relay not permitted. Please check the message recipient" The error comes somewhere in the domain of Thunderbird , router or internet provider but as as I am not an expert I do not how to solve the problem.

All Replies (1)

more options

Recheck settings for incoming server and SMTP server to ensure they're for the same account. That would be my first thing to check.