Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Hilfe durchsuchen

Vorsicht vor Support-Betrug: Wir fordern Sie niemals auf, eine Telefonnummer anzurufen, eine SMS an eine Telefonnummer zu senden oder persönliche Daten preiszugeben. Bitte melden Sie verdächtige Aktivitäten über die Funktion „Missbrauch melden“.

Weitere Informationen

Thunderbird will not send message with vpn turned on

  • 2 Antworten
  • 0 haben dieses Problem
  • Letzte Antwort von jdurand10
  • Gelöst

This only recently started happening. This has been tested on 3 different computers. Windows 10 Pro on all three.

With VPN on: Bluemail works fine.

Thunderbird can connect and download messages, but when I try to send a message, it gives an error.

With VPN off:

Bluemail and Thunderbird both work fine.

This only recently started happening. This has been tested on 3 different computers. Windows 10 Pro on all three. With VPN on: Bluemail works fine. Thunderbird can connect and download messages, but when I try to send a message, it gives an error. With VPN off: Bluemail and Thunderbird both work fine.

Ausgewählte Lösung

It turns out it wasn't quite the VPN. It was the country I had the VPN set to, the Netherlands. When I changed to Germany the problem went away. Now everything works fine.

It seems odd that they're blocking access to my SMTP but not IMAP, but whatever. Problem solved.

Diese Antwort im Kontext lesen 👍 0

Alle Antworten (2)

This is a common problem with VPNs, as they interrupt the process of sending mail. Look into the settings for the VPN to find how to bypass checking mail.

Ausgewählte Lösung

It turns out it wasn't quite the VPN. It was the country I had the VPN set to, the Netherlands. When I changed to Germany the problem went away. Now everything works fine.

It seems odd that they're blocking access to my SMTP but not IMAP, but whatever. Problem solved.

Stellen Sie eine Frage

Sie müssen sich mit Ihrem Benutzerkonto anmelden, um auf Beiträge zu antworten. Bitte stellen Sie eine neue Frage, wenn Sie noch kein Benutzerkonto haben.