From LedHed's Wiki
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* Set Type: Custom (For example. to allow application relay) | * Set Type: Custom (For example. to allow application relay) | ||
* Set the Scope to an internal subnet like 172.16.0.0/16 | * Set the Scope to an internal subnet like 172.16.0.0/16 | ||
| − | '' | + | ''    Note: Its a good idea to put your Printers/Fax/Scanner/Copiers on their own subnet/VLAN'' |
* Under Security check the box [x] Anonymous users | * Under Security check the box [x] Anonymous users | ||
Revision as of 00:09, 19 August 2014
Overview
Organizations often have the need to fax to email or scan to email. This article will explain how to setup Exchange 2013 as an anonymous SMTP relay for your internal network.
DNS Records
Create a Host(A) ecord, or Alias(CName) record that points to one of your CAS servers. I prefer to use mx.domain.tld or smtp.domain.tld.
Create the Receive Connector
- Name the Receive Connector something like 'Internal Relay'
- Set it to 'Frontend Transport'
- Set Type: Custom (For example. to allow application relay)
- Set the Scope to an internal subnet like 172.16.0.0/16
    Note: Its a good idea to put your Printers/Fax/Scanner/Copiers on their own subnet/VLAN
- Under Security check the box [x] Anonymous users
Set Permissions
From the EMS run:
Get-ReceiveConnector "Internal Relay" | Add-ADPermission -User 'NT AUTHORITY\Anonymous Logon' -ExtendedRights MS-Exch-SMTP-Accept-Any-Recipient
References
http://exchangeserverpro.com/exchange-2013-configure-smtp-relay-connector/