Latest news, tutorials, and insights about email automation, AI agents, and developer tools.
Disposable inboxes solve one problem (reliable, isolated email receipt for tests and agents), but they create another: lifecycle management. If yo...
Jason Macdown
11 min read
Email-based sign up verification tests tend to fail in the most annoying way: they are “mostly fine” until CI runs in parallel, a test retries, or...
Jason Macdown
10 min read
If you’re trying to create email using domain for CI, QA automation, or LLM agents, you quickly run into a mismatch: email was designed for huma...
Jason Macdown
9 min read
When people search “create domain email address,” they often mean “give my app a unique, routable email recipient on my domain, and let code read ...
Jason Macdown
11 min read
If you need to create email domain infrastructure for testing, the goal is not “run your own mail server.” It is to make inbound email routable...
Jason Macdown
8 min read
Email OTP verification is one of those flows that “works fine” until you put it in CI, run tests in parallel, or let an LLM agent drive it. Then t...
Jason Macdown
11 min read
Email-dependent tests fail in a very specific, very annoying way: one run “steals” another run’s message. You trigger a sign-up email, then your t...
Jason Macdown
11 min read
Email verification sounds simple until it becomes the flaky, hard-to-debug step that breaks your CI runs or confuses an LLM agent. The common fail...
Jason Macdown
10 min read
Polling is the unglamorous but essential fallback in email automation. Webhooks are great when you control networking and can accept inbound traff...
Jason Macdown
11 min read
When your workflow needs an email address right now, waiting on a human mailbox or reusing a shared test inbox is the fastest path to flaky tests,...
Jason Macdown
10 min read
Email is one of the most failure-prone dependencies in QA. A test can be correct and still flake because the inbox is shared, the message arrives ...
Jason Macdown
8 min read
Most teams pick a disposable email domain the same way they pick a random test password: whatever works today. Then CI goes parallel, an allowlist...
Jason Macdown
9 min read
Email is one of the last “human-shaped” dependencies in automated systems. The moment you ask a test runner or an LLM agent to receive an email ,...
Jason Macdown
9 min read
CI is great at running code, but it’s notoriously bad at one thing your product probably depends on: email. If your tests cover signups, password ...
Jason Macdown
10 min read
Email is one of the last “messy” dependencies in automated testing. Your test runner can be perfectly deterministic, yet the email step fails beca...
Jason Macdown
9 min read
When you say “ email address with own domain ” in an automation context, you usually do not mean “create a human mailbox in Google Workspace.” You...
Jason Macdown
9 min read
When you say “get an email address programmatically” for testing, you usually mean something more specific than “generate a random string that loo...
Jason Macdown
9 min read
AI agents are becoming first class API consumers. The moment you let an agent call tools on its own, you run into a practical problem: how does t...
Jason Macdown
10 min read
Seeing “email signed by” in Gmail (or similar UI cues in other clients) is a reminder that identity and integrity matter in email workflows. But...
Jason Macdown
8 min read
Email is one of the last “human” side channels that still sneaks into automated systems. The moment your CI job, signup test, or LLM agent has to ...
Jason Macdown
9 min read