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

Avatar for Username

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.

Rohkem teavet

New update Version 140.10.2esr | Released May 8, 2026. Today I cannot send email using Thunderbird.

  • 1 vastus
  • 0 on selline probleem
  • Viimati vastas Matt
  • Open

gcorreia
gcorreia

Version 140.10.2esr | Released May 8, 2026 I get this message every time: Sending of the message failed. The message could not be sent because connecting to Outgoing server (SMTP) mail.twc.com failed. The server may be unavailable or is refusing SMTP connections. Please verify that your Outgoing server (SMTP) settings are correct and try again.

Thank you, George Correia

Version 140.10.2esr | Released May 8, 2026 I get this message every time: Sending of the message failed. The message could not be sent because connecting to Outgoing server (SMTP) mail.twc.com failed. The server may be unavailable or is refusing SMTP connections. Please verify that your Outgoing server (SMTP) settings are correct and try again. Thank you, George Correia

All Replies (1)

Matt
Matt
  • Top 25 Contributor

Please see https://support.mozilla.org/en-US/questions/1580877#answer-1817163

are you also using POP to get your mail?

Küsimuse postitamine

You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.