Recognize bounced (undelivered) messages and extract the failure reason and the original recipient.

## Classes

| Class | Description |
| --- | --- |
| [BounceResult](./bounceresult/) | Represents result of the message examination as a bounce message. |
## Enumeration

| Enumeration | Description |
| --- | --- |
| [DSNAction](./dsnaction/) | Indicates the action performed by the Reporting-MTA as a result of its attempt to deliver the message. |