The MailWebhook Blog
Insights for developers building with email
Tutorials, product notes, engineering deep-dives, and operations insights on webhooks, email automation, and developer workflows.
Latest Posts
View allThe Case for an Email Ingestion Layer
Teams have scripts on one side and generic automation on the other. I introduce the email ingestion layer as the miss...
Why Retries and Duplicates Break Trust in Email Webhooks
As email moves into production workflows, retry behavior becomes a trust decision. I break down the design rules that...
Email Routing Rules Get Complicated Faster Than Teams Expect
A single mailbox looks easy to automate until support, finance, ops, and product all need different actions from the ...
Deterministic JSON Is an Executive Issue
Most leaders do not lose sleep over field order or schema versions. They do lose sleep over slow launches, brittle in...
Product Update: March 2026
This March release adds native Gmail and Microsoft 365 mailbox connections, plus a loopback mailbox for faster testin...
MIME Parsing Is More Hostile Than It Looks
I have learned that email parsing feels easy right up to the moment real traffic arrives. MIME structure, headers, an...