Sends the CAPABILITY command.
The CAPABILITY command requests the server to send a list of features (that is, capabilities) that it supports. In response to the CAPABILITY command, the IMAP4 server is required to send a CAPABILITY response.
| Exception Type | Condition |
|---|---|
| Exception | If a network or protocol error occurs. |
Imap4Client Class | Hunny.Mail Namespace | CapabilityResponse | CAPABILITY command in the IMAP4 specification