POP3/IMAP Error

[sz.varhegyi]

All permissions is OK.
But when I try to send email i get back this:

Quote:This is the mail system at host e-complex.hu.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<varhegyi.szabolcs@e-complex.hu>: unknown user: "varhegyi.szabolcs"

Final-Recipient: rfc822; varhegyi.szabolcs@e-complex.hu
Original-Recipient: rfc822;varhegyi.szabolcs@e-complex.hu
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user: "varhegyi.szabolcs"


---------- Továbított levél ----------
From: "Szabolcs Várhegyi" <sz.varhegyi@gmail.com>
To: varhegyi.szabolcs@e-complex.hu
Date: Fri, 29 Jul 2011 00:03:43 +0200
Subject: sdasdas

asd