| Thread | Author | Date () |
|---|
 | Returned mail | |
| Returned mail | |
| Automatic Email Delivery Software | |
| Mail Administrator | |
| Mail Administrator | |
| MAILER-DAEMON | |
| swtkrry@email.uophx.edu | |
| ctl@debian.or.jp | |
| Post Office | |
| dawsonab@attac-bruchsal.de | |
| The Post Office | |
| Automatic Email Delivery Software | |
| bomar@tyler.net | |
| railman3@ix.netcom.com | |
| Bounced mail | |
| Bounced mail | |
| MAILER-DAEMON | |
| megaco@ietf.org | |
| Mail Administrator | |
| doublebounce@worldd.org | |
| jmyers@vivanet.com | |
| Bounced mail | |
| guinness-list@redhat.com | |
| The Post Office | |
| Returned mail | |
| The Post Office | |
| The Post Office | |
