Validity (Everest)

Validity's Everest platform gives enterprises deep insights into email deliverability by testing how messages land at major providers. You get comprehensive inbox placement testing, seed-list monitoring, and detailed sender reputation scores, so you know exactly how your emails perform across Gmail, Outlook, Yahoo, and more.

The platform is built for organizations managing high-volume campaigns and complex sending infrastructure. It's essential when you need detailed authentication results and the ability to monitor sending health across multiple providers simultaneously.