Hi - I am trying to send an email from Mingle to a D=distribution list to keep upper management in loop for some changes. But it is not working. Below is the message i receive. Please help.
Delivery has failed to these recipients or distribution lists:
Your message wasn't delivered because of security policies. Microsoft Exchange will not try to redeliver this message for you. Please provide the following diagnostic text to your system administrator.
Sent by Microsoft Exchange Server 2007
Diagnostic information for administrators:
Generating server: ORHPEXCA1.corp.orhp.com
#550 5.7.1 RESOLVER.RST.AuthRequired; authentication required ##
Original message headers:
Received: from (172.17.50.77) by orhpexca1.corp.orhp.com (172.17.50.12) with
Microsoft SMTP Server id 18.104.22.168; Mon, 19 Dec 2011 16:23:11 -0800
Date: Mon, 19 Dec 2011 16:23:10 -0800
From: Mingle <firstname.lastname@example.org>
Subject: Story #1168 CC - Invoicing Tab_Allow access to Invoice Payment History changed by Kathy
Content-Type: text/html; charset="utf-8"