Can you indentify this ESMTP Service Received header?

[Daryl C. W. O'Shea]

Can anyone identify the mail service that generates these authenticated 
(login) headers?

Received: from rousalka.dyndns.org (81.64.155.54) by mx.laposte.net 
(7.0.028) (authenticated as user.name) id 413489B100C9C1FD for 
[EMAIL PROTECTED]; Tue, 28 Sep 2004 21:43:43 +0200

mx.laposte.net helos as:
220 mx.laposte.net ESMTP Service (7.0.028) ready
Thanks,
Daryl