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Exchange Server 2007 Rejecting email sent to group

We added a new domain to our Exchange server. Users receive email both internally and externally. However, we created a group for orders, added exchange accounts to the group and assigned the group an email address (e.g. orders@domain.com).

When sending test emails to the orders group we received the following error:


Received-SPF: None (xxxxxxxExc.xxxxxxxxxxxx.local:
 dbrockstedt@cpak.com does not designate permitted sender hosts)


When we googled this, it pertained to the Sender ID function of the Anti-Spam. Just for testing purposes we disabled the Sender ID function and attempted the test email again.

Received message : "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."

#< #5.7.1 smtp;550 5.7.1 RESOLVER.RST.AuthRequired; authentication required> #SMTP#

This only occurs when sending to the group email.

Thanks,

David
0
Brockstedt
Asked:
Brockstedt
1 Solution
 
Adam BrownSr Solutions ArchitectCommented:
Check the message delivery restrictions on the group. Open the group's properties in EMC and click Mail Flow Settings tab, then double click message delivery restrictions. If you're trying to send to the group remotely, you'll want to remove the check mark from the "Require that all senders are authenticated box. This allows users outside the organization to send mail to the group (Since external users can't authenticate). Also either add the email addresses of the users you want to send mail to the group to the Accept Messages From list or change that to All Senders.
0
 
BrockstedtAuthor Commented:
Thanks for the assistance acbrown2010.
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