spamassassin-score-thresholds

Email authentication: SPF, DKIM, DMARC, BIMI and MTA-STS

SpamAssassin DKIM and SPF Rules Point Values Explained

Understand how SpamAssassin assigns point values to DKIM and SPF checks. Learn how to interpret scores and improve deliverability with real-world fixes.

How to test email deliverability, spam score and rendering

How to Lower Spam Score from 6 to Under 3 in 2026

Reduce your spam score from 6 to under 3 with proven deliverability fixes. Clean lists, fix authentication, test inbox placement, and optimize sender.

How to test email deliverability, spam score and rendering

What Spam Score Do Corporate Gateways Use as Threshold in 2026?

Discover the real spam score thresholds used by corporate email gateways. Learn how verification tools like MailTester help reduce bounces and improve.