[kde-freebsd] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the Postfix program at host mail30-sin-R.bigfish.com.

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 Postfix program

<copyright at register.com>: host smtpa.register.com[216.21.229.220] said: 550
    unknown user (in reply to RCPT TO command)
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From: Âåðòîãðàäîâà <kde-freebsd at freebsd.kde.org>
Subject: =?windows-1251?B?LT3P8O705fHx6O7t4Ov87e7x8vwgLSDi8O7m5OXt7eD/PS0=?=
Date: Mon, 16 Jul 2007 10:15:08 +0300
Size: 39759
Url: http://mail.kde.org/pipermail/kde-freebsd/attachments/20070716/fac737d7/attachment-0001.mht