Skip to main content
Greylisting Slowing You Down? — Understand this protective delay and how to work with it. Learn Strategy →

What are graylist-related deferrals?

Greylisting temporarily rejects mail from unfamiliar senders and requests a retry later. Legitimate senders retry. Bots often do not. It is a protective delay.

Need personalized help?

Get a personalized explanation for your specific email setup. Open an AI assistant with your question pre-loaded — just add your details and send.