Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

Avatar for Username

Mozilla サポートの検索

サポート詐欺に注意してください。 私たちはあなたに通話やショートメッセージの送信、個人情報の共有を求めることはありません。疑わしい行為を見つけたら「迷惑行為を報告」からご報告ください。

詳しく学ぶ

このスレッドはアーカイブに保管されました。 必要であれば新たに質問してください。

Unable to send mail in Thunderbird 102.6.1 (64 Bit)

  • 1 件の返信
  • 3 人がこの問題に困っています
  • 66 回表示
  • 最後の返信者: david

Bob HUTTON
Bob HUTTON
more options

In Thunderbird why do I receive an error message for an invalid Certificate or the following Error message. - Sending of the message failed. An error occurred while sending mail. The mail server responded: Authentication required. Please verify that your email address is correct in your account settings and try again. error message - Sending of the message failed. An error occurred while sending mail. The mail server responded: Authentication required. Please verify that your email address is correct in your account settings and try again.

In Thunderbird why do I receive an error message for an invalid Certificate or the following Error message. - Sending of the message failed. An error occurred while sending mail. The mail server responded: Authentication required. Please verify that your email address is correct in your account settings and try again. error message - Sending of the message failed. An error occurred while sending mail. The mail server responded: Authentication required. Please verify that your email address is correct in your account settings and try again.

すべての返信 (1)

david
david
  • Top 10 Contributor
more options

The error message seems rather clear. There is likely an error in your account setup. That's why the error appears. Possibly, if you post your account server settings, someone here may suggest an approach.