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Would it be possible to create a mail server on a NAT VPS.
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Would it be possible to create a mail server on a NAT VPS.

skorupionskorupion Member, Host Rep

I know this is a stupid question, but is there a way to create a mail server on a nat VPS?

Comments

  • You definitely can. As long as you are changing the default ports :).

    Now if you are sharing that IP with many other, that's a whole different story of reputation.

  • skorupionskorupion Member, Host Rep

    @seriesn said: You definitely can

    Do you have any articles on that, as I'm just curious, and email reputation might be bad, but lets face it, not many host email on a NAT VPS

  • deankdeank Member, Troll

    Your mail won't ever reach its destination to begin with.

  • yoursunnyyoursunny Member, IPv6 Advocate

    Even if it's a NAT VPS, you have dedicated IPv6. You can accept mail from and deliver mail to all IPv6-enabled mail servers.

    Hall of fame - mail servers with IPv6

    • Gmail
    • Hurricane Electric

    Hall of shame - mail servers without IPv6

    • MXroute - "Jarland is stupid" ™
    • Outlook - they'll add IPv6 by 2024 or risk losing federal government contract
    • SparkPost
    Thanked by 3chihcherng Erisa xms
  • Assuming IPv4 since yoursunny covers v6 quite well,

    You can send email but you won't have much luck receiving it since that works on fixed port.
    To my knowledge there is no way to make an incoming third party mail server use a different port other than 25 to send you mail, so without that port open there isnt really anything you can do. You will have to use an incoming relay in order to receive anything and since your IP is shared you won't have much luck sending anything without a relay either.

    So if your targets are IPv4 then no, you cant realistically host a mail server on a NAT VPS. If the whole world of mail servers suddenly adopts IPv6 then you shouldn't have any issue from that point on, but that's still years in the future if ever because the people making that call are lazy.

  • possible : yes
    usable : no

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