can't send logo to your server mail returned

[Denis]

Здравствуйте, freebsd-questions.

This is the Postfix program at host mx2.freebsd.org.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

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 message returned below.

                        The Postfix program

<marc at blackend.org>: host mail.blackend.org[212.11.35.229] said: 550 5.7.1
    <denix- at mail.ru>... Access denied

--
Reporting-MTA: dns; mx2.freebsd.org
Arrival-Date: Tue,  8 Mar 2005 06:36:42 +0000 (GMT)

Final-Recipient: rfc822; marc at blackend.org  
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; host mail.blackend.org[212.11.35.229] said: 550
    5.7.1 <denix- at mail.ru>... Access denied



С уважением,
 Denis                          mailto:denix- at mail.ru