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#5.7.1 smtp;550 5.7.1 ... Command rejected>

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#5.7.1 smtp;550 5.7.1 ... Command rejected> - 3.Feb.2009 2:08:01 PM   
jahyde

 

Posts: 2
Joined: 3.Feb.2009
Status: offline
Running SBS 2003 with all the latest pacthes.
My users periodically get bounced back emails that are from the local server with this message:

Your message did not reach some or all of the intended recipients. Subject: Parents Meeting at Noah Homes Sent: 2/3/2009 9:32 AM The following recipient(s) could not be reached:

recipient@someotherdomain.com on 2/3/2009 9:32 AM
You do not have permission to send to this recipient. For assistance, contact your system administrator.
<noahhomes.org #5.7.1 smtp;550 5.7.1 <recipient@someotherdomain.com>... Command rejected>

This randomly happens about every day or 2, and usually there is no way to send to this person, except if I try it using OWA, but sometimes that even bounces back. These users all use Outlook, and they dont like OWA, so this is a problem. There is no filtering on Exchange.

On another issue, I am not sure if this is related, but - if I try to change a users email alias, for instance: j.doe@mydomain.com to johndoe@mydomain.com, I click ok, it saves it, I can immediately go back in and see the changed email address I entered, but if I wait a minute, it reverts back to the original address (obviously the recipient update service has changed it back).

< Message edited by jahyde -- 3.Feb.2009 3:03:13 PM >
Post #: 1
RE: #5.7.1 smtp;550 5.7.1 ... Command rejected> - 4.Feb.2009 9:59:59 AM   
uemurad

 

Posts: 8232
Joined: 7.Jan.2004
From: California, USA
Status: offline
quote:

You do not have permission to send to this recipient. For assistance, contact your system administrator.
Permission denial issues typically include attempting to "send as", attempting to send to a restricted distribution list, attempting to relay.
quote:

if I try to change a users email alias....., it reverts back to the original address....
This isn't related.  What happens if you add an alias instead of attempting to edit the existing SMTP address?

_____________________________

Regards,

Dean T. Uemura
Microsoft MVP - Exchange (2007-2011)
exchangeguy.blogspot.com
uemurad@yahoo.com

(in reply to jahyde)
Post #: 2
RE: #5.7.1 smtp;550 5.7.1 ... Command rejected> - 4.Feb.2009 3:59:13 PM   
jahyde

 

Posts: 2
Joined: 3.Feb.2009
Status: offline
I understand, but this happens very randomly, sometimes it may be a list which that sender has created in their outlook (so they own it), and a single recipient from that list will bounce back. Other times it may just be an email to a single recipient.

90% of the time sending in OWA lets it through, other times there is no way on earth to get it to send. If i send using gmail it goes out just fine.

Besides that, all users are using Outlook in Exchange mode on the local LAN. I have allowed relay rights to my LAN subnet without authentication. All users are sending as themselves, nobody is setup to send as someone else.

Where would I check to even find if there is a send restriction?

On the 2nd issue - I can add a new alias, but there is no way I can make this new alias be the primary address. If I set it as primary it saves, I can immediately go back and verify it, but after a minute it reverts to the old address as primary.

(in reply to uemurad)
Post #: 3

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