Bounce Email to Sender
The Bounce Email to Sender action returns the email to the original sender with a custom message explaining why it was rejected. All remaining actions and rules are skipped.
When to Use This Action
Use this action when:
- You need to reject messages that don't meet specific criteria
- You want to inform senders when their message cannot be processed
- You are enforcing spam or business policy rules
This action is only available for Hosted Mailbox and Remote Mailbox workflows. It requires an inbound email to bounce.
Configuration
| Field | Description |
|---|---|
| Bounce Message | The message to include in the bounce response. Supports text expressions with {{variable}} syntax. |
Behavior
When this action executes:
- A bounce message is sent back to the original sender
- All remaining actions in the current rule are skipped
- All other rules are skipped
Comparison with Other Stop Actions
| Action | Current Rule | Other Rules |
|---|---|---|
| Stop Processing | Stops | Continue |
| Stop Processing Completely | Stops | Stops |
| Bounce Email to Sender | Stops | Stops |
Example Use Cases
Reject Unknown Senders
Condition: No matching contact found
Bounce Message: We could not identify your email address in our system.
Please contact us at [email protected].
Reject Oversized Attachments
Condition: Attachment size > 10MB
Bounce Message: Your email contains attachments exceeding our 10MB limit.
Please use a file sharing service and send us the link instead.
Policy Enforcement
Condition: Email matches blocked sender patterns
Bounce Message: Your message has been rejected by our mail policy.
Notes
- The bounce is handled by the email system, not sent as a regular outbound email
- This action does not return any variables
- The original sender receives the bounce at their email address