| GetMimeRequest | MIME get request class. |
| GetMimeResponse | MIME get response class. |
| GetMimeTransactionRequest | MIME get transaction request class. |
| GetMimeTransactionResponse | MIME get transaction response class. |
| MailRequest | Email message request class. |
| MailResponse | Email message response class. |
| MailSyncRequest | Email synchronization request class. |
| MailSyncResponse | Email synchronization response class. |
| MailTransactionRequest | Email message transaction request class. |
| MailTransactionResponse | Email message transaction response class. |
