Blog

Practical guides on email validation, list hygiene, deliverability and spam prevention. Written for marketers and developers who send email seriously.

Email Validation

How to Check if an Email Address is Valid — and Why It Matters for Your Business

A complete guide covering syntax rules, domain checks, SMTP verification, disposable emails, spam traps and real-world deliverability scenarios with examples.

15 min read January 2025
Deliverability

Why Your Emails Land in Spam — and How to Fix It

A deep dive into spam filters, sender reputation, SPF/DKIM/DMARC records and the exact steps to get your emails into the inbox.

Coming soon
List Hygiene

How to Clean an Email List — The Complete 2025 Guide

Step-by-step walkthrough of removing hard bounces, spam traps, role addresses and inactive subscribers before your next campaign.

Coming soon