Email verification and list hygiene for deliverability
Purchased List Spam Traps: Why Every Bought List Has Them
Discover why bought email lists inevitably contain spam traps. Learn how to detect and remove them before sending.
Category
spam-traps
8 posts
Email deliverability fundamentals and best practices
Microsoft SNDS Trap Hit: How to Trace the Campaign Responsible
Discover how to trace a Microsoft SNDS trap hit to the responsible campaign. Use real-time verification and inbox testing to diagnose and fix.
Anti-spam laws and compliance: CAN-SPAM, GDPR, CASL
How to Prevent Typo Traps at Signup with Double Opt-In
Stop typo traps at signup with double opt-in. Use real-time email verification to catch errors before they become bounces.
Email verification and list hygiene for deliverability
How to Remove Recycled Spam Traps from an Old Email List
Clean your old email list by removing recycled spam traps. Use real-time verification to identify invalid, risky, and trap addresses before sending.
Email blocklists: monitoring, causes and delisting
How Many Spam Trap Hits Before Spamhaus Lists Your IP?
Find out how many spam trap hits can lead to a Spamhaus IP listing. Learn how email verification prevents traps and protects sender reputation.
Email verification and list hygiene for deliverability
How to Find Out If You Hit a Spam Trap Without Seeing the Address
Learn how to detect spam trap hits without knowing the address. Use deliverability testing and verification to catch hidden traps before they damage your.
Email verification and list hygiene for deliverability
How Do Recycled Spam Traps Get Into a List That Never Scraped?
Discover how recycled spam traps end up in your email list—even if you never scraped. Learn detection and prevention with real-time verification.
Email verification and list hygiene for deliverability
What Is the Difference Between Pristine Recycled and Typo Spam Traps?
Discover the real difference between pristine and recycled spam traps. Learn how they impact deliverability and how MailTester’s verification stops them befor