sender-score

Sender reputation, IP warm-up and sending infrastructure

Sender Score Dropped from 95 to 70 in a Week: What Happened?

A sudden drop in your Sender Score from 95 to 70? Learn the real causes, verify your list, and fix deliverability issues with MailTester’s real-time email.

Sender reputation, IP warm-up and sending infrastructure

How to Look Up Your IP Sender Score for Free in 2026

Learn how to look up your IP sender score for free using real tools and practices. Improve deliverability and avoid spam filters with accurate, actionable.

Sender reputation, IP warm-up and sending infrastructure

What Is a Good Sender Score and What Range Should I Aim For?

Discover what a good Sender Score is, the ideal range to target, and how to improve it with real list hygiene and deliverability insights.