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

Iam frequently receiving 'Message delivery failure messages

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

more options

This doesn't happen every time i send emails ,it seems to happen to certain recipients in small groups. The details are-Reporting-MTA: dns; iprslrsmtp2msp.cpwnetworks.com and

                           Reporting-MTA: dns; iprslrsmtp2msp.cpwnetworks.com

Final-Recipient: rfc822;cbae@btinternet.com Action: failed Status: 5.0.0 (permanent failure) Remote-MTA: dns; [65.20.0.49] Diagnostic-Code: smtp; 5.4.7 - Delivery expired (message too old) [Default] 421-'Too many messages (1.5.6.1) from 62.24.128.202' (delivery attempts: 76) I am worried that somebody has hacked my emails ,I am not very computer literate so help would be appreciated. Thanks

This doesn't happen every time i send emails ,it seems to happen to certain recipients in small groups. The details are-Reporting-MTA: dns; iprslrsmtp2msp.cpwnetworks.com and Reporting-MTA: dns; iprslrsmtp2msp.cpwnetworks.com Final-Recipient: rfc822;cbae@btinternet.com Action: failed Status: 5.0.0 (permanent failure) Remote-MTA: dns; [65.20.0.49] Diagnostic-Code: smtp; 5.4.7 - Delivery expired (message too old) [Default] 421-'Too many messages (1.5.6.1) from 62.24.128.202' (delivery attempts: 76) I am worried that somebody has hacked my emails ,I am not very computer literate so help would be appreciated. Thanks

All Replies (1)

more options

This looks like a message from your email provider's SMTP server. Basically it's saying that the message has not been delivered to the recipients email provider SMTP server. This has got nothing to do with Thunderbird. You should contact your email provider.