Only allow a Zap to proceed when a certain condition is met. For example, if you're sending a text message when you receive a new email, you could use a Filter that only sends a text message when the email received is from a certain address.
You can find more information here.
How this Filter by Zapier + TrueMail integration works
1. Add new record to a Filter by Zapier account
2. Zapier sends the email to be verified with TrueMail
3. Zapier updates the existing Filter by Zapier record with TrueMail result code in a custom field
• Filter by Zapier
Filter by Zapier Triggers