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571 Delivery not authorized, message refused

'chris'
Super Advisor

571 Delivery not authorized, message refused

hi

Some clients from the external cannot send mails to some of our users
due to the following error:

571 Delivery not authorized, message refused

We have Microsoft Exchange Server 2003 SP2.
Howto authorize an external user at the Exchange 2003 server?
1 REPLY
Roger Faucher
Honored Contributor

Re: 571 Delivery not authorized, message refused

This may help:

http://support.microsoft.com/kb/262354

Make a great day!

Roger
Make a great day!

Roger