| Module | helpers | Functions to accomodate testing of the email system. |
| Module | test_basemailer | Tests for the BaseMailer class. |
| Module | test_commands | Undocumented |
| Module | test_dkim | Test DKIM-signed messages |
| Module | test_doc | Test mail documentation. |
| Module | test_handlers | No module docstring; 1/1 classes documented |
| Module | test_helpers | No module docstring; 4/5 classes, 0/1 functions documented |
| Module | test_incoming | Undocumented |
| Module | test_mailbox | Tests for mail boxes. |
| Module | test_mbox_mailer | Test harness for running the mbox_mailer.txt tests. |
| Module | test_notificationrecipients | Undocumented |
| Module | test_sendmail | Undocumented |
| Module | test_signedmessage | Test the SignedMessage class. |
| Module | test_stub | No module docstring; 1/2 functions documented |