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!

Dette websted vil have begrænset funktionalitet, mens vi gennemgår vedligeholdelse for at forbedre din oplevelse. Hvis en artikel ikke løser dit problem, og du vil stille et spørgsmål, har vi vores supportfællesskab, der venter på at hjælpe dig på @FirefoxSupport på Twitter og/r/firefox på Reddit.

Søg i 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.

Læs mere

Thunderbird suddenly won't send email.

more options

I compose a message in TB then try to send. It hangs up on the "Sending" message bar and never completes. It worked yesterday. Windows 10 update last night now it does not work. Coincidence?

I compose a message in TB then try to send. It hangs up on the "Sending" message bar and never completes. It worked yesterday. Windows 10 update last night now it does not work. Coincidence?

Alle svar (1)

more options

Hello,

Please follow the steps as provided in this Knowledge Base article https://support.mozilla.org/en-US/kb/cannot-send-messages and let us know if this solved your problem.