4.2 IMAP4 Delegate Access Extension
In this scenario, Jason Carlson is using an IMAP4 client to access his email. His coworker, David Jones, has granted Jason delegate access to his mailbox. Jason uses his client to access David's mailbox.
0001 LOGIN contoso/jason/david P@ssw0rd
The server responds with a successful LOGIN response as described in [RFC3501].
0001 OK LOGIN completed.