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A collection of 4 posts
Email is the hardest easy problem, and I built a business in it
EmailEngine

Email is the hardest easy problem, and I built a business in it

A follow-up to turning EmailEngine from open source into a business: the revenue grew, but the real work turned out to be fighting the endless swamp of email provider quirks.
04 Jun 2026 8 min read
EmailEngine

Tailing webhooks

If you run an application that produces a lot of webhooks like EmailEngine, you might want to observe what kind of data is even sent before you try to start consuming it. This post shows an easy way to do this with PHP. The concept is simple. Your webhooks producer
22 Nov 2025 2 min read
Packaging and selling a Node.js app
EmailEngine

Packaging and selling a Node.js app

I sell a downloadable server software called EmailEngine. EmailEngine, when started, runs a simple web server that serves a dashboard and an API. If you'd provide credentials of any email account to EmailEngine, it will open an IMAP session to that account and continuously index it. EmailEngine would
10 Mar 2023 6 min read
EmailEngine

Tracking deleted messages on an IMAP account

While it is pretty easy to get the current snapshot state of a mailbox, and it is not hard to track new emails coming in, one particular change is usually quite challenging to follow. That is message deletions.
16 Jul 2021 4 min read
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