Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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.

Avatar for Username

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

This thread was archived. Jei jums reikia pagalbos, užduokite naują klausimą.

Apparently I cannot receive or send emails from the company that handles our complaints. I get the same error message when sending.

  • 1 reply
  • 1 has this problem
  • 12 views
  • Paskiausią atsakymą parašė user01229325

tonyashmore
tonyashmore
more options

An error occurred while sending mail. The mail server responded: Requested action not taken: mailbox unavailable invalid DNS MX or A/AAAA resource record. Please check the message recipient.......and try again.

An error occurred while sending mail. The mail server responded: Requested action not taken: mailbox unavailable invalid DNS MX or A/AAAA resource record. Please check the message recipient.......and try again.

All Replies (1)

user01229325
user01229325
more options

This error is about DNS records and is from the providers server. Contact them since this has nothing to do with Thunderbird other than it delivered the message.