2026-04-08 UTC
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[Kupietz] unfortunately I myself don’t know anymore about email security than I’ve told you… I don’t run an email server for these reasons. I don’t know how you can figure the security to avoid being used as a relay, although the DNS security rules alone should allow you to specify what IP addresses or domains are allowed to send emails through your server. But I don’t know the real tactical nuts and bolts of configuring SMTP se