Technically you can receive mail without MX records if your mail server is on th... | Hacker News

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account42 50 days ago | parent | context | favorite | on: DMARC has been public since 2012 but most company ...

Technically you can receive mail without MX records if your mail server is on the same host as the web server.

inigyou 49 days ago [–]

And if you send, a lot of mail servers will assume it's not meant to have any email service and will treat it as an SPF fail.

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