# 60410: Verification delivery attempt blocked

Log Type: APPLICATION

Log Level: ERROR

## Description

This is because [Fraud Guard](/docs/verify/preventing-toll-fraud/sms-fraud-guard) has identified potential fraudulent messages being sent to one or more destination. A temporary block on SMS traffic has been placed for the next 12 hours on the prefix you used. This block will be lifted at the end of this 12-hour period. If further fraudulent activity is detected after this block, this pattern will continue with further temporary 12 hour blocks until the issue is no longer observed.

### Possible causes

We [identified SMS fraud](/docs/verify/preventing-toll-fraud/sms-fraud-guard) occurring within your Verify product.

### Possible solutions

You do not need to take any specific action. The block is temporary and will resolve in 12 hours if we do not detect additional fraud.