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Email service providers? What’s that? sudo apt install postfix Configure DMARC and SPF and you’re fine.

• bpodgursky 6y ago
  Yes, it's as easy as those two commands, unless you want people to actually receive your emails.
  • manquer 6y ago
    It is not that simple yes, however it is not too hard, especially if you are mostly only sending to registered users. It is lot harder to setup a dc and get ISPs to peer with you than setup the app itself.
    • jeofken 6y ago
      Do you have some resource to share on this simple set up?
      • manquer 6y ago
        There are one or two projects like postal[1] or mailbox[2] that make it much easier than it was before. [1] https://github.com/postalhq/postal https://github.com/postalhq/postal [2] https://github.com/mail-in-a-box/mailinabox https://github.com/mail-in-a-box/mailinabox