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A go-to resource on best practices for email security, anti-spam trends, product updates and everything in between.
Product
2 min read
Today we’re releasing three official SDKs for MailChannels Email API, a new developer dashboard, and a unified docs site. If you build multi-tenant SaaS, AI agents, or any platform where …
Read post: MailChannels Email API now has official SDKs for Node.js, Python, and PHP
Podcast
8 min read
Ken sat down with Dick Hardt for the first episode of Season 3 of the MailChannels podcast. Hardt is the person behind Identity 2.0, an author of OAuth, and he …
Read post: Self-Driving Software: What OAuth Can’t Do for AI Agents | Dick Hardt, Hello
Industry
15 min read
Almost every email delivery service looks good on a quiet Tuesday. Your application connects, the API returns 202 Accepted, Gmail accepts the message, the dashboard stays green, and the password …
Read post: The email service you forget exists: engineering for tail risk
Industry
14 min read
Email delivery is straightforward when one trusted application sends one predictable stream of transactional messages. It becomes a very different engineering problem when your customers, plugins, or AI agents can …
Read post: Building a safe multi-tenant email delivery pipeline with the MailChannels Email API
Industry
15 min read
Publicly trusted TLS certificates are on a fixed schedule from a maximum lifetime of 398 days down to 200 days, then 100 days, and finally 47 days in March 2029. …
Read post: The 47-day certificate is coming: what hosting providers need to build nowIndustry
8 min read
On July 24, 2026, between 10:55 and 12:12 UTC (3:55 to 5:12 AM Pacific), AWS experienced a networking failure in its us-west-2 (Oregon) region that broke routing between the region …
Read post: When Direct Connect goes dark: how our edge network rode out the July 24 AWS us-west-2 outagePost Mortem
5 min read
July 21, 2026 On the morning of July 21, 2026, we rotated the TLS certificate on api.mailchannels.net, the endpoint that receives every message sent through our Email API. Within minutes, …
Read post: Postmortem: The July 21 TLS Certificate Incident on api.mailchannels.net
Industry
10 min read
Multi-tenant email sending is the operation of sending email for multiple independent customers, users, workspaces, or software agents through a common platform. Because the platform does not fully control every …
Read post: What Is Multi-Tenant Email Sending?
Industry
13 min read
A multi-tenant SaaS platform has a different email problem from an organization that sends only its own messages. The platform must govern customers, users, workflows, or agents whose behaviour it …
Read post: How to Architect Email for a Multi-Tenant SaaS
Industry
6 min read
Last month, Cloudflare and Stripe announced something new. They built a way for AI agents to set up internet services on their own. An agent can now register a domain, …
Read post: Cloudflare and Stripe Have an Abuse Problem. The Email Industry Should Be Paying Attention.Subscribe to the MailChannels Blog to receive new blog posts in your inbox.