Allow a Web application server to use on-premise Exchange server to send e-mails

Rodrigo Rocha 21 Reputation points
2022-10-24T13:16:39.487+00:00

We have a server running Exchange 2010 and one of our service providers want to use it to send their application e-mails, but the application isn't on our network at the moment.

is it possible to allow a web server to use the local mail server to send it's emails?

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Andy David - MVP 143.7K Reputation points MVP
    2022-10-24T14:50:05.063+00:00

    If you opened up the firewall from the service provider to your Exchange Server for port 25 or used a VPN, yes.

    Then create a receive connector for their application:

    https://learn.microsoft.com/en-us/exchange/mail-flow/connectors/allow-anonymous-relay?view=exchserver-2019#step-1-create-a-dedicated-receive-connector-for-anonymous-relay

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