Pop3 Error Question?

[Chris Maness]

What would cause this error?

einstein:~ chris$ telnet ns1 110
Trying *********...
Connected to ns1.******.org.
Escape character is '^]'.
+OK QPOP (version 2.53) at ns1.*****.org starting.
<30383.1281808529 at ns1.******.org>
user luis
+OK Password required for luis.
pass ******
-ERR Unable to process From lines (envelopes), change recognition modes.
+OK Pop server at ns1.******.org signing off.
Connection closed by foreign host.

**** for security

Thanks,
Chris Maness