Create send connector in Exchange

After installing Exchange Server, what is next? One of the steps is to create a send connector in Exchange Server to send emails out on the internet. That’s because there is no send connector configured by default in Exchange. This article will teach you how to create a send connector in Exchange with Exchange Admin Center (EAC). Not only that, but you will also learn how to add a send connector in Exchange with PowerShell.

Create send connector in Exchange with EAC

Sign in to Exchange Admin Center as an administrator or with an account with the privileges to add a send connector in Exchange.

Click mail flow and click send connectors. Click the plus icon to create the first send connector.

Type a friendly name such as Internet email. Select type Internet (For example, to send internet mail). Click Next.

Select MX record associated with recipient domain and click Next.

Click the plus icon to specify the address space.

Type * (asterisk) in the Full Qualified Domain Name (FQDN) field. This value indicates that the send connector applies to messages addressed to all external domains.

Keep the Cost at number 1. The less the number, the higher the priority. Click Save.

The address space is configured. Click Next.

Click the plus icon to specify the source server.

Select the Exchange Server, in our example EX01-2016. If you have more than one Exchange Server, select them. Click add and follow with OK.

The Source server is configured. Click Finish.

The send connector named Internet email is showing up, and it’s enabled. If you like to disable the send connector, click the Disable link in the details pane. You don’t have to remove the send connector.

What if we like to add a send connector with PowerShell? Read more in the next step.

Create send connector in Exchange with PowerShell

Let’s speed it up and create a send connector with PowerShell. Run Exchange Management Shell as administrator. Make use of the New-SendConnector cmdlet. Change the server name to yours.

[PS] C:\>New-SendConnector -Name "Internet email PS" -Usage "Internet" -SourceTransportServers "EX01-2016" -DNSRoutingEnabled $True -AddressSpaces ("SMTP:*;5") -IsScopedConnector $False -UseExternalDNSServersEnabled $false

Identity       AddressSpaces Enabled
--------       ------------- -------
Internet email {SMTP:*;5}    True

It’s quicker to create a send connector with PowerShell.

Get send connectors in Exchange with PowerShell

Find the configured send connectors in Exchange with PowerShell. There are two send connectors configured and enabled in our example.

[PS] C:\>Get-SendConnector | Format-Table Identity, AddressSpaces, SourceTransportServers, MaxMessageSize, Enabled

Identity          AddressSpaces SourceTransportServers MaxMessageSize           Enabled
--------          ------------- ---------------------- --------------           -------
Internet email    {SMTP:*;1}    {EX01-2016}            35 MB (36,700,160 bytes)    True
Internet email PS {SMTP:*;5}    {EX01-2016}            35 MB (36,700,160 bytes)    True

Did this help you to create a new send connector in Exchange Server? Don’t forget to test the send connector with a simple test to verify that it’s working.

Keep on reading: Exchange namespace design and planning »

Conclusion

You learned how to create a send connector in Exchange Server. You learned how to create a send connector in Exchange with EAC and with PowerShell. Configuring a new send connector in Exchange with PowerShell is faster. Don’t forget that you can disable the created send connector instead of removing it. That’s an excellent way if you like to troubleshoot and test send connectors.

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