RETR 1 -ERR unable to parse msg

[t123456789]

Dear Sir,

I've got error msg. "RETR 1 -ERR unable to parse msg" when I try to retrieve an email in mailbox via POP3.

Now, I'm using ZCS 5.0.10

Help me plz..

let me know if you need more information.

Best Regards.

Riew