Spam filtering, bot detection, AI scoring, and building safer web apps.
Resend delivers your email reliably — it doesn't decide whether the message deserves to be sent. Here's how to add contact form spam protection before the Resend call, with a full breakdown of every parameter and why the client IP matters.
React, Next.js, Vue & Serverless Best Practices — a complete guide to building contact forms with proper validation, clean architecture, and good UX.
Your PHP contact form might be quietly forwarding spam to thousands of addresses. Here's how email header injection works, and how to close the door.
CAPTCHAs cost you conversions. Here's how modern spam filtering works invisibly — and why it catches more spam than a puzzle ever did.
Keyword lists, IP blocklists, and CAPTCHAs were built for a different era of spam. Here's how modern bots evade all three — and what defenses actually hold.
Most spam filters run after the fact — cleaning your inbox or flagging records after bad data is already in your system. InputGate takes the opposite approach.