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this question could probably be simple but frankly I don't know exactly what it is.
This is my scenario:
I have multiple devices like: UPS, router, switch,... and they all have option for me to configure sending email notification to my email address.
I want to setup a smtp server to receive email notification from those devices and send directly to my email address, perfectly without authentication to my organization's email server.
What is such server called? I did the google look up and returned some results like "smtp relay" but those things are much complicated than what I need.

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That is indeed called a mail or smtp relay server.

If you only send email to a single address such as [email protected] : you don’t need to configure a relay server at all. Your existing mailserver for @example.com (technically the primary MX record for the example.com domain) will accept and deliver, without any authentication, smtp messages and emails addressed to [email protected].

Use that existing mail server in the settings of your devices as the smtp server and you’re done.

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  • thank you for reply. Can you show me how to verify that? I did the nslookup with mx query to my email domain address and tested using telnet to it and failed
    – Quang Anh
    Sep 4, 2018 at 7:14
  • Most current mail servers are, in an effort to prevent spam, quite particular about clients using a correct SMTP exchange which may be difficult to emulate with telnet. If you can't connect to the SMTP port, TCP 25, check your firewalls.
    – HBruijn
    Sep 4, 2018 at 10:42

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