this post was submitted on 27 Feb 2025
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Isn't it better* to host a mail server at home than to use Proton or Tuta? (lemmy.cat)
submitted 1 day ago* (last edited 1 day ago) by retiolus@lemmy.cat to c/privacy@lemmy.dbzer0.com
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*With ‘better’ I mean that an encrypted solution is adequate in these cases because the mails are on other servers, and the companies/servers depend on the jurisdiction where they are located. But by hosting a mail server at home, even unencrypted, we are 100% in control of our data.

PS: is there a self-hosting mail server solution that stores everything encrypted? I already self-host almost everything I use, but not email.

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[–] mox@lemmy.sdf.org 2 points 1 day ago* (last edited 1 day ago)

It takes a bit of reading into SPF, DMARC, DKIM etc.,

That alone is often (usually?) not enough. Since many IP addresses are already blackholed before you even set up a mail server on one, there is also the slow and sometimes painful process of:

  • Figuring out by trial-and-error which recipients are not receiving mail from you (or are receiving it directly into their spam folders).
  • Figuring out which email filtering services are used by those recipients' mail providers.
  • Figuring out how to contact those filtering services.
  • Figuring out what process each filtering service uses for requesting removal from their blacklists (or adding to their whitelists).
  • Navigating each of those processes.
  • Submitting documentation of having done so.
  • Waiting and hoping for the filtering services accept your request and start allowing mail from you.

...and then starting all over again every so often, whenever a filtering service changes their configs or a new one appears.

It can be done, and you might get lucky, but it often requires tenacity and a lot of patience.