the couldn't help me
this is the full error:
The original message was received at Tue, 30 Sep 2008 21:54:55 -0700
from localhost.localdomain [127.0.0.1]
----- The following addresses had permanent fatal errors -----
<customer's email address>
(reason: 553 sorry, your mail was administratively denied. (#5.7.1))
----- Transcript of session follows -----
... while talking to relay-hosting.secureserver.net:
>>> MAIL From:<my email address>
<<< 553 sorry, your mail was administratively denied. (#5.7.1)
501 5.6.0 Data format error
my php mail was working fine and just two weeks ago I keep getting returned mail