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wgs , (edited )
@wgs@lemmy.sdf.org avatar

Congratulations! A mail server is quite demanding in terms of initial setup, but it’s also very rewarding !

Here are a few pointers I can give you:

  • Using a good domain is important, some provider block entire TLDs for cheap domains (eg. .tk or .pw). I learnt it the hard way…
  • Set your MX records to A records, not CNAME
  • Ensure your PTR records match your A records for the mail server
  • Learn about SPF and DKIM
  • Set them up, and verify with mxtoolbox
  • Use the ip4:<ipv4> and/or ip6:<ipv6> selectors for SPF
  • Setup a spamfilter (I like spamassassin)
  • Leave it all running for a few weeks/months
  • Publish a DMARC policy on your DNS, and verify with mxtoolbox

This should limit a lot your likeliness to end up in spam folders (which is usually the hardest part about running your mail server)

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