Mozilla サポートの検索

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.

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。

An error occurred while sending mail. The mail server responded: 5.7.1 The message contains an unauthorized custom from address because the 5.7.1 associated ac

  • 1 件の返信
  • 4 人がこの問題に困っています
  • 9 回表示
  • 最後の返信者: Zenos

more options

I started getting the above error message this morning. I had made no changes to anything and had successfully sent Thunderbird messages before the error started to occur. I'm a gmail user and I use Thunderbird in imap mode. I have installed the latest Thunderbird update and I've restarted, both to no avail.

I started getting the above error message this morning. I had made no changes to anything and had successfully sent Thunderbird messages before the error started to occur. I'm a gmail user and I use Thunderbird in imap mode. I have installed the latest Thunderbird update and I've restarted, both to no avail.

すべての返信 (1)

more options

Who is your provider? There are several posts to this forum describing the same error message and the same error number. I wonder if you're all using the same email provider and they have a system fault at their end.

https://support.mozilla.org/en-US/questions/1014327 https://support.mozilla.org/en-US/questions/1014334 https://support.mozilla.org/en-US/questions/1014299

この投稿は Zenos により に変更されました