This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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.

Learn More

Attempt to send BCC to multiple users results in meaningless error message. Please explain what it means?

  • 3 replies
  • 1 has this problem
  • 1 view
  • Last reply by david

more options

Thunderbird error message is "An error occurred while sending mail. The mail server responded: %1$S.

Please check the message recipient "%2$S" and try again.

Thanks,

David

Thunderbird error message is "An error occurred while sending mail. The mail server responded: %1$S. Please check the message recipient "%2$S" and try again. Thanks, David

Chosen solution

Problem solved. Corrupt email address flagged with a blob.

Read this answer in context 👍 0

All Replies (3)

more options

It may help us help you to see the compose screen and the BCC email address. Can you post a screenshot?

more options

Chosen Solution

Problem solved. Corrupt email address flagged with a blob.

more options

Thanks for the good news.