child status 100 permanent error gmail

MAILER-DAEMON@p3plsmtp11-05.prod.phx3.secureserver.net
child status 100..The e-mail message could not be delivered because the user's mailfolder is full.
Content Type: multipart/alternative
Received: (qmail 3592 invoked from network)
X-IronPort-Anti-Spam-Result: AowBAJ69K0/

RVdYwimdsb2JhbABDgk2raV8IIgEBA

QoJDQcSBiGBcwEBBBICLAEbHgMMBhA
tAQ0hAQERAQUBDgEHBgYLCCKjAQqLcIJwRIRaP4hxAgULiASDWBsGAQsBCAUDAwkFDAKDSAUDBQcICgMJDgcHEQsLAQEBAQEBAgEBAQEBAQEBAQECgzkEiEKCbYl4iwmDET2ECg 
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed

solution:
Verify the recipient addresses and try again. Otherwise, user can check their mailbox, if it is full then you should delete some messages to free up space or user can add more space to your account.  If you are still having difficulty sending mail to the addresses, please contact e-mail customer support at 480-624-2500