Add new mail domain to exchange 2010

To add a new mail domain to Exchange 2010, you'll need to follow these steps:

Prerequisites:

1. You have Exchange 2010 installed and configured.
2. You have a valid domain name (e.g., example.com) that you want to add to Exchange.
3. You have a DNS server set up to manage the DNS records for your domain.

Step 1: Create a new Receive Connector

1. Open the Exchange Management Console.
2. Navigate to "Server Configuration" > "Hub Transport" > "Receive Connectors".
3. Right-click on "Receive Connectors" and select "New Receive Connector".
4. Fill in the details:
   • Name: Give a name to your new receive connector (e.g., "example.com Receive Connector").
   • Comment: Add a comment to describe the purpose of the receive connector.
   • FQDN: Enter the fully qualified domain name of your new domain (e.g., example.com).
   • IP Address: Enter the IP address of your Exchange server.
   • Authentication: Select "Anonymous" or "Windows Authentication" depending on your organization's security requirements.
5. Click "New" to create the receive connector.

Step 2: Create a new Send Connector

1. Open the Exchange Management Console.
2. Navigate to "Server Configuration" > "Hub Transport" > "Send Connectors".
3. Right-click on "Send Connectors" and select "New Send Connector".
4. Fill in the details:
   • Name: Give a name to your new send connector (e.g., "example.com Send Connector").
   • Comment: Add a comment to describe the purpose of the send connector.
   • FQDN: Enter the fully qualified domain name of your new domain (e.g., example.com).
   • IP Address: Enter the IP address of your Exchange server.
   • Authentication: Select "Anonymous" or "Windows Authentication" depending on your organization's security requirements.
5. Click "New" to create the send connector.

Step 3: Configure DNS Records

1. Update your DNS server to create the necessary records for your new domain:
   • Create an MX record pointing to your Exchange server's IP address.
   • Create a TXT record with the following values:
     • Name: _msdcs.example.com (replace with your domain name)
     • Value: example.com (replace with your domain name)
   • Create an SRV record with the following values:
     • Name: _tcp._msdcs.example.com (replace with your domain name)
     • Priority: 0
     • Weight: 0
     • Port: 443
     • Target: example.com (replace with your domain name)

Step 4: Update Exchange Configuration

1. Open the Exchange Management Console.
2. Navigate to "Organization Configuration" > "Hub Transport" > "Accepted Domains".
3. Right-click on "Accepted Domains" and select "New Accepted Domain".
4. Fill in the details:
   • Name: Enter the name of your new domain (e.g., example.com).
   • Domain Type: Select "Authoritative" or "Internal Relay" depending on your organization's requirements.
5. Click "New" to add the new accepted domain.

Step 5: Verify the Configuration

1. Test your new domain by sending an email from an external email address to an email address within your new domain.
2. Verify that the email is delivered successfully to the recipient's mailbox.

That's it! Your new mail domain should now be added to Exchange 2010.