Returned mail: Can't create output: Error 0

[Mail Delivery Subsystem <MAILER-DAEMON@...>]

The original message was received at Mon, 28 Apr 1997 17:19:18 +0200
from CCDIS.dis.ulpgc.es [193.145.144.2]

   ----- The following addresses had permanent fatal errors -----
<1muniozg en rigel.deusto.es>

   ----- Transcript of session follows -----
procmail: Lock failure on "/var/spool/mail/1muniozg.lock"
procmail: Quota exceeded while writing "/var/spool/mail/1muniozg"
550 <1muniozg en rigel.deusto.es>... Can't create output: Error 0

Reporting-MTA: dns; rigel.deusto.es
Received-From-MTA: DNS; CCDIS.dis.ulpgc.es
Arrival-Date: Mon, 28 Apr 1997 17:19:18 +0200

Final-Recipient: RFC822; 1muniozg en rigel.deusto.es
Action: failed
Status: 5.3.0
Last-Attempt-Date: Mon, 28 Apr 1997 17:20:46 +0200