HP CM8060/CM8050 Color MFP with Edgeline Technology - System Administrator Guide

If the response is 550 Requested action not taken: mailbox unavailable, then the
server cannot find the mailbox for that address. The recipient e-mail account might be configured
so that it cannot receive messages from the device.
If the response is 551 User not local: please try <forward-path>, where “<forward-
path>” is a different e-mail address, then the e-mail account is not active.
252 Chapter 16 Solve problems ENWW