· Guides
How does BCC work?
A technical explanation of how CC, BCC, and SMTP Envelopes work in email
Guides
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We used to store files as base64 strings in Postgres, but not anymore
How we migrated from storing attachments as base64 strings in postgres to an Object Storage system
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Caching HTTP Requests Between Services Using Redis, Axios, and Node.js
An example of how we can use Redis to cache data when communicating between micro services and http services more generally
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Automating certificate upgrades in hard to reach places
How we used environment variables and Fly Machines to automate our TLS certificate renewal for our SMTP servers
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When a checkbox isn't enough - toggles in Rails Forms with Tailwind
How to create a CSS-based toggle button inside a Rails form with Tailwind CSS
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Should you use a subdomain for sending emails?
When sending emails from an App, Website or other software, should you use a subdomain? The answer is yes, here's why.