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SMTP Error through telnet command

Hi,
we have exchange 2003 (FrontEnd)  & Exchange 2010 (CAS/HT/MBX) servers.
We are able to send mail through telnet by using exch-2003 ip address but  getting below error while using ip address of exch-2010 servers.

"530 5.7.1 Client was not authenticated"
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sanjayambre
Asked:
sanjayambre
1 Solution
 
costanosNetwork EngineerCommented:
I believe you need to change properties on your receive connector to allow anonymous.
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Adam BrownSr Solutions ArchitectCommented:
That error means you have to authenticate with the server before you can perform any actions. You can either set the receive connector to allow anonymous or you can authenticate to it using the AUTH LOGIN command.
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Jamie McKillopIT ManagerCommented:
Hello,

By default, Exchange 2010 is not configured to send and receive email directly from the internet. The "default" receive connector is used for Exchange server to Exchange server communication. There is a "Client" receive connector that is intended to be used for clients that authenticate. This runs on port 587. If you want to setup connectors to allow your Exchange 2010 server to send and receive from the internet, follow these instructions:

http://technet.microsoft.com/en-us/library/bb738138%28v=exchg.141%29.aspx

-JJ
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sanjayambreAuthor Commented:
Thanks. We have done the settings & checked on Exch-2010 server which is internet facing and it seems to be working fine. But the same settings not working on another exch-2010 server which are not internet facing. mails are getting stuck in Queue (SMTP Relay)

Do we need to create separate "internet send connector" on those servers. How we can resolve this issue.
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Jamie McKillopIT ManagerCommented:
Are both Exchange servers part of the same organization? Is port 25 open from the second server to the internet?

-JJ
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sanjayambreAuthor Commented:
Yes, all are in same organization & same site only. port is also open to internet
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Jamie McKillopIT ManagerCommented:
Add the second server to the Source Server tab on your send connector.

-JJ
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sanjayambreAuthor Commented:
Thanks...its working. can we create another 'internet send connector' on affected server rather than adding to the source server.
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Jamie McKillopIT ManagerCommented:
Yes, you can create another send connector.

-JJ
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