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

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
Solved Archived

why are emails marked [BULK]

tmdarth

All of a sudden, emails are marked [bulk] why?

All of a sudden, emails are marked [bulk] why?

All Replies (1)

Chosen Solution

Check with your providers spam filter or your antivirus software. Thunderbird does not use the work Bulk or Spam and does not change the subject line of incoming messages.