Mozilla VPN is currently experiencing an outage. Our team is actively working to resolve the issue. Please check the status page for real-time updates. Thank you for your patience.

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

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

i use Thunderbird via Plusnet who host my domain name. All emails to gmail are returned.

  • 3 antwoorde
  • 2 hierdie probleem
  • 20 views
  • Laaste antwoord deur david

more options

i use Thunderbird via Plusnet who host my domain name. All emails to gmail are returned.

i use Thunderbird via Plusnet who host my domain name. All emails to gmail are returned.

All Replies (3)

more options

Is there an error message?

more options

This was the message I got -- I've just deleted the addressee's name:

Reporting-MTA: dns; avasout-peh-002 [212.159.14.18] Received-From-MTA: dns; [192.168.1.67] [146.199.87.140] Arrival-Date: Wed, 14 Jun 2023 10:30:09 +0100


Final-recipient: rfc822; ***@gmail.com Diagnostic-Code: smtp; 550-5.7.26 This mail is unauthenticated, which poses a security risk to the

Last-attempt-Date: Wed, 14 Jun 2023 10:30:09 +0100

more options

Gmail has tightened security recently and giving you a code 550. There are various possibilities, such as sending from an SMTP server with account xxx but the email return address is yyy. I cannot say what is causing your error, but it's worth review. Check your smtp settings and authentication.