Latest news, tutorials, and insights about email automation, AI agents, and developer tools.
Creating an email address programmatically sounds simple until you try to automate the full loop: generate an address, trigger an email (OTP, magi...
Jason Macdown
10 min read
Temp inboxes are deceptively simple: generate an address, wait for an email, extract an OTP or magic link, move on. In practice, reliability and s...
Jason Macdown
11 min read
Email is one of the last “human-first” surfaces many systems still depend on. But if you’re building an AI agent, an LLM toolchain, or a QA harnes...
Jason Macdown
10 min read
Email is one of the easiest dependencies to underestimate in tests. It looks like “just send a message,” but in practice it pulls in identity, del...
Jason Macdown
10 min read
End-to-end (E2E) test suites tend to fail in the least helpful way when email is involved. A signup test passes 98 times, then flakes once because...
Jason Macdown
11 min read
Most teams treat “email” like a string field: generate an address, send a message, and hope your system can find the right inbox later. That appro...
Jason Macdown
8 min read
Email-based authentication is deceptively simple until you try to test it. An “email address sign in” flow crosses multiple systems (frontend, aut...
Jason Macdown
11 min read
Email is still the backbone of signups, magic links, OTPs, and system alerts, but it is also a hostile interface for automation. Messages arrive l...
Jason Macdown
11 min read
LLM agents and automated QA suites increasingly have to “touch email” as part of real user flows: signup verification, password resets, magic link...
Jason Macdown
10 min read
When you need an email address for an automated signup, an LLM-driven workflow, or a one-off integration test, the slowest part is often the inbox...
Jason Macdown
8 min read
If you’ve ever searched for a temp Gmail account to test signups, OTPs, and magic links, you’re not alone. Gmail is familiar, deliverability is ...
Jason Macdown
10 min read
Email automation fails most often in the boring places: parsing. If you are building QA flows, signup verification, or LLM agents that read mail, ...
Jason Macdown
10 min read
Most teams start with a simple goal, “I need an email account for my API.” But once you build anything agentic (LLMs), parallel test runs (CI), or...
Jason Macdown
10 min read
Email is one of the oldest “APIs” on the internet, and it still sits in the critical path for onboarding, password resets, alerts, and identity wo...
Jason Macdown
10 min read
Email-based sign in is deceptively simple for humans and notoriously flaky for automation. A user clicks “Send me a code,” an email arrives, they ...
Jason Macdown
10 min read
Email is one of the most failure prone parts of end-to-end QA. It is asynchronous, full of third-party variability, and easy to make flaky with po...
Jason Macdown
10 min read
Signup flows are one of the easiest places for automated tests to become flaky. Not because your UI assertions are wrong, but because email delive...
Jason Macdown
10 min read
Email is the slow, messy dependency that makes automated test runs flaky. A signup test might pass locally but fail in CI because the inbox alread...
Jason Macdown
9 min read
Disposable email is often associated with shady “temp mail” sites, but for developers it can be a legitimate building block for testing, automati...
Jason Macdown
10 min read
AI agents and automated test runners are great at calling APIs, but they still struggle with one thing most products require: receiving an email. ...
Jason Macdown
10 min read