Blog · 3 posts

Mailcow articles

Everything I've written about Mailcow: what I set up, what broke, and what I would do again, from real projects.

September 22, 2026 · 14 min read

Five open-source tools later, I think I'm dependent — and I can't tell if that's a problem

Dokploy deploys my apps, Mailcow runs my email, Postgres holds my data — and Novu and WAHA are the two I'm still wiring in. I didn't write any of it, and my whole setup now leans on it. Here's me working out whether that's a solid foundation or five dependencies I can't escape — and the one question I ask before adding another.

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September 20, 2026 · 17 min read

Adding a Custom Domain to mailcow: DNS, Mailboxes and Aliases

mailcow is installed and your first domain works. Here is how to add a second domain properly: every field in the domain form, every DNS record and why it exists, and the alias options nobody explains.

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September 17, 2026 · 7 min read

I Hosted My Own Email Server With Mailcow (And Learned Why It's Harder Than It Looks)

Two weeks ago a random YouTube video sent me down a rabbit hole — could I run my own email server? Turns out yes, and I did it using Mailcow on my existing VPS. Here's what I learned along the way.

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