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smtp rely for external domain exchange 2016

Muahammad Ashraf
Muahammad Ashraf asked
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Hi all,
Recently I have created smtp rely on exchange .
I can send email to inside organization but unable to send external domain.
how can I configure smtp rely on exchange 2016 for sending external domain
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MASEE Solution Guide - Technical Dept Head
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Commented:
-->how can I configure smtp rely on exchange 2016 for sending external domain
Did you configure as authenticated traffic?
Muahammad Ashraf

Author

Commented:
Hi

it is noautheticated traffic,(without user)
MASEE Solution Guide - Technical Dept Head
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Commented:
If you authenticate it will go.
Muahammad Ashraf

Author

Commented:
is it any way can we configure unauthenticated user .
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Commented:
Saif ShaikhServer engineer
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Commented:

External domain is not added/authoritative to your exchange. 


So you need to add that domain as accepted domain and set it to authoritative false and relay should be external relay.


Then it should work so when you email to external domain user exchange understands that this domain is external to it and will send email from it to external domain. 

Sr. Systems Administrator
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Commented:
By default, a SMTP receive connector will not relay for an external domain. You need to set the permissions correctly. In addition to making sure Anonymous Users Permission group is selected under Security,you need to do the following Powershell commands.
Set-ReceiveConnector "<SERVER>\<ConnectorName>" -PermissionGroups AnonymousUsers
Get-ReceiveConnector "<SERVER>\<ConnectorName>" | Add-ADPermission -User 'NT AUTHORITY\Anonymous Logon' -ExtendedRights MS-Exch-SMTP-Accept-Any-Recipient

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