If you've registered on a DLT portal, created your templates, and still find your messages blocked, undelivered, or rejected — you're not alone. Most Indian businesses complete DLT registration but still run into campaign failures they can't explain. The reason is almost always one of 7 specific mistakes that are easy to miss but hard to recover from. This guide breaks each one down — and shows how TechTo Networks is built to prevent all of them automatically. Why DLT Makes S