We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

When I try to send an email in Thunderbird, I get this error

  • 1 odgovor
  • 3 ima ovaj problem
  • 1 view
  • Posljednji odgovor poslao david

more options

When I try to send an email in Thunderbird, I get this error (below)) In my webmail it sends ok, but I much prefer Thunderbird

Sending of the message failed. An error occured while sending mail. Outgoing server (SMTP) error. The server responded: shw-obgw-4003a.est.cloudfilter.net cmsmtp 172.98.89.192 is listed on Cloudmaster CSI-Global. Please visit:// https AUP#IPBL1000

When I try to send an email in Thunderbird, I get this error (below)) In my webmail it sends ok, but I much prefer Thunderbird Sending of the message failed. An error occured while sending mail. Outgoing server (SMTP) error. The server responded: shw-obgw-4003a.est.cloudfilter.net cmsmtp 172.98.89.192 is listed on Cloudmaster CSI-Global. Please visit:// https AUP#IPBL1000

Izabrano rješenje

I was glad to help fix this one - caused by VPN. Please mark closed. Thanks much.

Pročitajte ovaj odgovor sa objašnjenjem 👍 0

All Replies (1)

more options

Odabrano rješenje

I was glad to help fix this one - caused by VPN. Please mark closed. Thanks much.