News
The state of email infrastructure: what 660 K DNS records reveal in 2026
2+ day, 14+ hour ago (758+ words) The conventional wisdom is that Google Workspace and Microsoft 365 dominate business email. I pulled the DNS records of every domain in Tranco top-1 M to check. Their combined share: 37. 94%. The other ~62% " half a million domains " live somewhere else: hosted at…...
List recent emails with optional filters from the Command Line
5+ day, 1+ hour ago (137+ words) Scripts, cron jobs, and AI agents all need email access. nylas email list provides it without SMTP configuration. The nylas email list command fetches recent emails from your connected mailbox and displays them in your terminal. Filter by unread, starred,…...
I Sent 225 Cold Emails in One Day. Here Are the Numbers.
1+ week, 9+ hour ago (726+ words) Last Tuesday, I decided to run the biggest cold email push of my freelance career in a single day. No warm leads. No referrals. Just me, a spreadsheet of 225 prospects, and three different email templates I wanted to test head-to-head....
Building Mail Sink: a temp email API with MCP server on Cloudflare Workers
1+ week, 2+ day ago (248+ words) Testing email flows in CI has been painful for years. Mail Slurp is $79/mo, Mailtrap's API isn't built for AI agents, and most alternatives want you to run your own SMTP server. I wanted something different: a REST API callable…...
Cloudflare Email for Agents Is Good for the Identity Layer
1+ week, 3+ day ago (947+ words) When Cloudflare launched Email for Agents in public beta on April 16, the top Hacker News comment read: "The $6 MM investment on Agent Mail is in serious trouble." That's a plausible read of the L1 dynamics. Cloudflare just shipped native SPF, DKIM,…...
Sensitive Data Exposure - The Bug That Looks Like a Feature Working Correctly
1+ week, 3+ day ago (990+ words) The API response came back 200. The data was correct. The test passed. Nobody noticed the response body also contained the user's hashed password, their internal account ID, a debug flag set to true, and a field called admin_notes that was never…...
Resend + React Email: The Transactional Email Stack That Doesn't Fight You
1+ week, 3+ day ago (198+ words) Send Grid's free tier is 100 emails/day and the dashboard is from 2013. Mailgun's API is fine but the React SDK is an afterthought. Resend was built by developers who wanted something that worked like a modern API " here's the setup…...
Why 30% of B2 B Email Verification Fails: The Catch-All Domain Problem Explained
1+ week, 3+ day ago (1313+ words) Three months ago I ran a cold outbound campaign to 4, 200 "verified" leads. The list had been processed by a well-known verifier'overall accuracy rate: 97%. My bounce rate on the first send was 11. 4%. The domain I was using had been sending cleanly…...
Do You Really Need Separate Mailboxes for Every Business Email Address?
2+ week, 2+ day ago (591+ words) Most small businesses want domain-based email addresses. That part is normal. They want addresses like: The problem starts when every one of those public-facing addresses turns into another mailbox account. For larger teams, that may be fine. For founders, tiny…...
The Inbox Was Never Designed for This
2+ week, 3+ day ago (685+ words) Most modern communication happens in specialized tools. Teams collaborate in Slack. Friends and family talk on Whats App. Companies coordinate work in Microsoft Teams. Each of these tools works well within its own environment. But when a conversation doesn't belong…...