Blog
Page 6 of 10.
31 July 2026 · 4 min read
Dedicated sending IPs, and why most agents should not want one
A dedicated IP sounds like an upgrade and is a liability below a certain volume. What IP reputation actually does now, when a dedicated one helps, and what to fix instead.
31 July 2026 · 4 min read
Onboarding email that notices when someone is stuck
Onboarding sequences send on a schedule and ignore the answer. An agent reads the reply, checks what the customer has actually done, and stops when they are up and running.
31 July 2026 · 4 min read
Keeping an agent inbox usable after ten thousand messages
An inbox nobody prunes becomes a list nobody can use. How agents should search, what archiving is actually for, and why unread is a signal rather than a status.
31 July 2026 · 5 min read
When the agent sends something it should not have
A runbook for the hour after an agent sends the wrong thing: stopping it, working out the blast radius, telling the recipients, and the postmortem that stops it repeating.
31 July 2026 · 5 min read
Where the mail actually goes: data flow for an agent inbox
The question procurement asks and most teams cannot answer: what leaves your infrastructure when an agent reads and sends mail, who processes it, and which parts you control.
31 July 2026 · 5 min read
What happens when forty messages arrive at once
Agent email is bursty. How to handle a queue of inbound mail without double-replying, racing on one thread, or spending your daily allowance in ninety seconds.
30 July 2026 · 3 min read
An email agent in TypeScript, from empty folder to first reply
A working TypeScript agent with its own inbox: install, send, read the thread, wait for a reply, handle refusals, and receive inbound mail without a polling loop.
30 July 2026 · 4 min read
Giving an OpenAI-based agent an email address
Connect a GPT-based agent to a real inbox: MCP where the tooling supports it, plain function tools where it does not, and the guardrails to set before it emails anyone.
30 July 2026 · 5 min read
Deciding what reaches your agent in the first place
Whitelist or blacklist, exact-address rules that beat domain rules, and how to route one category of real mail to an agent without redirecting your whole inbox.
30 July 2026 · 5 min read
The first week with an email agent, day by day
A day-by-day plan for the week that decides whether an email agent works: what to set up, what to read, what to fix, and what to hand it next.
30 July 2026 · 4 min read
Appointment reminders that can handle the reply
A reminder that cannot process "can we move it to Thursday" is half a feature. How an agent confirms, reminds, reschedules, and knows when to stop chasing.
30 July 2026 · 4 min read
Driving an agent's inbox from the terminal
The CLI is the fastest way to see what an agent is doing: list its mail, read a thread, send a test message, and script the checks worth running in CI.