MailDock — blogRunning your own mail server: deliverability, migration, the economics of many domains, and what we learned building MailDock.https://maildock.app/enWhat a lapsed licence switches off, and what it never toucheshttps://maildock.app/blog/what-a-lapsed-licence-switches-off/https://maildock.app/blog/what-a-lapsed-licence-switches-off/From 0.13.0 a lapsed MailDock licence switches off extras in stages. Your incoming mail never stops. Here is the schedule, and why it is shaped this way.Sun, 11 Oct 2026 00:00:00 GMTlicensingA deliverability checklist that is actually in orderhttps://maildock.app/blog/a-deliverability-checklist/https://maildock.app/blog/a-deliverability-checklist/The things to check when your mail lands in spam, ordered by how often they are the answer rather than by how interesting they are.Thu, 10 Sep 2026 00:00:00 GMTdeliverabilitydnsAI on your mail without sending it to a vendorhttps://maildock.app/blog/ai-on-your-mail-without-sending-it-away/https://maildock.app/blog/ai-on-your-mail-without-sending-it-away/Bring-your-own inference is not a privacy policy, it is an architecture — and the difference is what a policy can be changed by a press release.Thu, 10 Sep 2026 00:00:00 GMTaiprivacyMigrating mail off cPanel without losing anyhttps://maildock.app/blog/migrating-off-cpanel/https://maildock.app/blog/migrating-off-cpanel/The order of operations that makes a mail migration lossless, what the cPanel connector carries across, and what it cannot.Thu, 10 Sep 2026 00:00:00 GMTmigrationcpanelMTA-STS, explained by what it actually preventshttps://maildock.app/blog/mta-sts-explained/https://maildock.app/blog/mta-sts-explained/Mail between servers has had opportunistic TLS for years, and opportunistic is the problem. MTA-STS is the fix, and TLS-RPT is how you find out it is working.Thu, 10 Sep 2026 00:00:00 GMTdeliverabilitysecuritydnsThe economics of many domains on one serverhttps://maildock.app/blog/the-economics-of-many-domains/https://maildock.app/blog/the-economics-of-many-domains/Per-mailbox pricing is a tax on having a lot of addresses and not many people. Here is where the maths turns over, and where it does not.Thu, 10 Sep 2026 00:00:00 GMTpricingself-hostingWhy self-host mail againhttps://maildock.app/blog/why-self-host-mail-again/https://maildock.app/blog/why-self-host-mail-again/Self-hosting mail became folklore-level hard, and then most of what made it hard got solved. Here is what actually changed, and what did not.Thu, 10 Sep 2026 00:00:00 GMTself-hostingdeliverability