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Unusual signals are the behavior or traits of an email that look suspicious to TrendAI™ Email Security. A single unusual signal does not mean a definite threat but can indicate possible risks. When detecting one unusual signal in an email message, TrendAI™ Email Security supports taking action on the message. For details about unusual signals, see Unusual signals.
Note
Note
TrendAI™ recommends that you use the "Do not intercept messages" and "Insert stamp in body" actions for unusual signal detection. A default stamp "Unusual signal detection" is available for use.

Procedure

  1. Select Unusual signal.