Append is an APPEND command, as defined in RFC 3501 section 6.3.11.

Authenticate is an AUTHENTICATE command, as defined in RFC 3501 section 6.2.2.

Capability is a CAPABILITY command, as defined in RFC 3501 section 6.1.1.

Check is a CHECK command, as defined in RFC 3501 section 6.4.1.

Close is a CLOSE command, as defined in RFC 3501 section 6.4.2.

Copy is a COPY command, as defined in RFC 3501 section 6.4.7.

Create is a CREATE command, as defined in RFC 3501 section 6.3.3.

Delete is a DELETE command, as defined in RFC 3501 section 6.3.3.

Expunge is an EXPUNGE command, as defined in RFC 3501 section 6.4.3.

Fetch is a FETCH command, as defined in RFC 3501 section 6.4.5.

List is a LIST command, as defined in RFC 3501 section 6.3.8.

Login is a LOGIN command, as defined in RFC 3501 section 6.2.2.

Logout is a LOGOUT command, as defined in RFC 3501 section 6.1.3.

Noop is a NOOP command, as defined in RFC 3501 section 6.1.2.

Rename is a RENAME command, as defined in RFC 3501 section 6.3.5.

Search is a SEARCH command, as defined in RFC 3501 section 6.4.4.

Select is a SELECT command, as defined in RFC 3501 section 6.3.1.

StartTLS is a STARTTLS command, as defined in RFC 3501 section 6.2.1.

Status is a STATUS command, as defined in RFC 3501 section 6.3.10.

Store is a STORE command, as defined in RFC 3501 section 6.4.6.

Subscribe is a SUBSCRIBE command, as defined in RFC 3501 section 6.3.6.

Uid is a UID command, as defined in RFC 3501 section 6.4.8.

An UNSUBSCRIBE command.

AuthenticateConn is a connection that supports IMAP authentication.