Default Send/Receive connectors in Exchange 2013 !!

As we all know, it has been some time after the release of Exchange Server 2013. Some of you must have had the chance on getting a hands on experience with Exchange Server 2013. The Exchange Management Console has disappeared and the Exchange Admin Center which is a web console, is used for the Exchange Server Management with an Exchange Toolbox, as before.

Most of you must have configured send/receive connectors on Exchange 2007 or 2010, the steps for which is almost the same. However, with Exchange server 2013 the connector configurations are little bit confusing especially the Receive Connector configurations.

Exchange 2013 has by default 5 receive connectors and 1 send connector (as usual) which are essential for the mail flow.

Types of connectors

Recently we had faced an issue with one of our client who had accidentally deleted all his connectors and we were assigned the tasks to reconfigure them.

The default Exchange Server 2013 receive connectors, their associated ports and configurations according to the server roles are discussed below. On a mailbox server you will find :-

  • Client Proxy [server name] – It accepts connection from Frontend servers.

Client Proxy 1          Client Proxy 2

Client Proxy 3

  • Default [server name] – It accepts connection from Mailbox servers that has the Transport service running and the Edge servers.

Default 1        Default 2 Default 3

At the same time, on a CAS you will find :-

  • Client Frontend [server name] It accepts secure connections, that has the Transport layer Security (TLS) applied.

Client Frontend 1            Client Frontend 2Client Frontend 3

 

  • Default Frontend [server name] – It accepts messages from SMTP connections over port 25.

Default Frontend 1          Default Frontend 2

Default Frontend 3

  • Outbound Proxy Frontend [server name] – It accepts connections from a smart host.

Outbound Proxy 1          Outbound Proxy 2

Outbound Proxy 3

In order to avoid confusion, keep in mind that anything related to Frontend will be part of the CAS. This is because messages comes into the CAS first which in turn is forwarded to the Mailbox Server.

 

Only 1 internet send connector is required for the mail flow to work successfully. You can specify either a smart host to route emails or directly use DNS for email delivery.

 

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4 comments on “Default Send/Receive connectors in Exchange 2013 !!

    • Hi Szabolcs,

      You are welcome. I am afraid you will have to either proceed by re-installing your Exchange Server or manually create new connectors. Will let you know if I come across any in place alternatives.

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