link-shorteners-email

Email blocklists: monitoring, causes and delisting

bit.ly domain on URL blocklists: what it means for senders

Understand why bit.ly domain appears on URL blocklists and how it affects your email deliverability. Use MailTester to verify sender risks before sending.

How to test email deliverability, spam score and rendering

How to Test if a Shortened Link Raises Your Spam Score in 2026

Use real inbox placement tests to see if your shortened links trigger spam filters. Detect issues before they hurt deliverability.