Latest news, tutorials, and insights about email automation, AI agents, and developer tools.
Temporary inboxes make email automation deterministic, but only when their lifetime is explicit. If an inbox lives too long, stale messages can be...
Jason Macdown
14 min read
A missing email in CI is rarely a single problem. More often, the message was sent to the wrong recipient, routed to the wrong inbox, delivered af...
Jason Macdown
16 min read
Real user inboxes are a bad dependency for email verification flows. They are slow to automate, hard to isolate, risky for privacy, and almost imp...
Jason Macdown
13 min read
Using a temporary Gmail account for email-dependent tests feels convenient until the test suite becomes serious. A single mailbox is easy to creat...
Jason Macdown
13 min read
Inbound email is one of the most useful inputs an AI agent can receive. It can confirm a signup, unlock a magic-link flow, deliver an OTP, notify ...
Jason Macdown
14 min read
Custom domains make temporary inboxes feel less like a testing hack and more like infrastructure. They let you use addresses under a domain you co...
Jason Macdown
13 min read
High-volume agent runs make email a throughput problem. A single LLM agent can create a disposable inbox, wait for a verification message, extract...
Jason Macdown
14 min read
When email arrives through a webhook, the first question should not be whether the sender looks legitimate, whether the subject matches, or whethe...
Jason Macdown
14 min read
Email routing failures rarely look like routing failures at first. A signup test times out. A password reset flow reads yesterday’s OTP. An LLM ag...
Jason Macdown
14 min read
Email-related flakes usually look like timing problems. A test waits 20 seconds and still misses the OTP. A signup retry clicks an expired link. A...
Jason Macdown
15 min read
Disposable email looks simple at the address level: create an inbox, use the address, wait for the message, extract the code or link. In real auto...
Jason Macdown
12 min read
Magic links are supposed to make authentication simple: open the email, click the link, and you are signed in. For LLM agents and automated QA, th...
Jason Macdown
13 min read
OTP by email looks simple until an autonomous agent is the consumer. A human can glance at a message, ignore a footer, and copy the right six digi...
Jason Macdown
15 min read
Inbound email is one of the most useful inputs an AI agent can receive. It can complete signup flows, collect verification codes, monitor operatio...
Jason Macdown
14 min read
For most inbound email automation, the right answer is not “webhooks or polling.” It is webhooks for fast event delivery, polling for controlled ...
Jason Macdown
13 min read
Waiting for email sounds simple until an agent is doing it autonomously. A human can refresh a mailbox, notice the newest message, copy an OTP, ...
Jason Macdown
15 min read
An AI agent does not need a mailbox in the way a person does. It does not need a place to read newsletters, keep years of receipts, search old thr...
Jason Macdown
15 min read
If your test suite covers signups, password resets, OTPs, magic links, invite acceptance, or agent-driven onboarding, email is part of the product...
Jason Macdown
13 min read
Email-dependent tests fail for a simple reason: email is not a function call. It is a distributed delivery system with queues, retries, MIME parsi...
Jason Macdown
15 min read
An API email workflow for an LLM is not just a way to fetch messages. It is a contract between an agent, an inbox provider, and your application s...
Jason Macdown
13 min read