invitations are garbage to recipients

Why are my invitees getting garbage in the invite?

Heres what they get...

Return-Path: {removed}
Received: from {removed} by
{removed} (Netscape Messaging Server 4.15) with
ESMTP id I1IW9Y00.6BZ; Tue, 27 Jul 2004
14:20:22 -0400
Reply-To: {removed}
From: {removed}
To: {removed}
Subject: {removed}
Date: Tue, 27 Jul 2004 14:18:21 -0400
Message-ID: !~!{removed}
MIME-Version: 1.0
Content-Type: text/calendar; method=REQUEST;
charset="utf-8"
Content-Transfer-Encoding: 7bit
X-Mailer: Microsoft Office Outlook, Build 11.0.5510
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441
thread-index: AcR0BhgcCZlt28llTtmhD1YfHetLHw==
Disposition-Notification-To: {removed}

BEGIN:VCALENDAR
PRODID:-//Microsoft Corporation//Outlook 11.0 MIMEDIR//EN
VERSION:2.0 METHOD:REQUEST BEGIN:VEVENT ATTENDEE;ROLE=REQ-
PARTICIPANT;RSVP=TRUE:MAILTO:{removed}
ATTENDEE;ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:{removed}
ATTENDEE;ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:{removed}
ATTENDEE;ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:{removed}
ATTENDEE;ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:{removed}
ATTENDEE;ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:{removed}
ATTENDEE;ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:{removed}
ATTENDEE;ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:{removed}
ORGANIZER:MAILTO:{removed}
DTSTART:20040728T180000Z
DTEND:20040728T190000Z
LOCATION:{removed}
TRANSP:OPAQUE
SEQUENCE:0
UID:040000008200E00074C5B7101A82E008000000004095C1 90E473C40
10000000000000000100
00000997551AABDC09342BF2C04FAD3412AC6
DTSTAMP:20040727T181819Z
DESCRIPTION:When: Wednesday\, July 28\, 2004 2:00 PM-3:00
PM (GMT-05:00)
Eastern Time (US & Canada).\nWhe Training
Room\n\n*~*~*~*~*~*~*~*~*~*\n\n{removed}\n
SUMMARY:{removed}
PRIORITY:5
X-MICROSOFT-CDO-IMPORTANCE:1
CLASS:PUBLIC
BEGIN:VALARM
TRIGGER:-PT15M
ACTIONISPLAY
DESCRIPTION:Reminder
END:VALARM
END:VEVENT
END:VCALENDAR