Error: "Unusual activity detected"
What does the error mean?
The error occurs when your Yahoo Mail account has recently received an unusually large number of emails.
While Yahoo does offer 1 TB storage in Yahoo Mail, we have safeguards in place to ensure that people do not abuse the service, in keeping with our Terms.
Avoiding the error
- Unsubscribing from mailing lists that send a lot of emails is a good way to make sure you don't see this error in the future.
- If you need help reducing the amount of spam email your account receives, we can help. Check out how to stop spam.
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