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Developer guides and best practices for email verification.
- Guide7 min read1 June 2025
What Is Email Verification? A Developer's Guide
Email verification checks whether an email address is real and deliverable — beyond syntax. Here's how it works, why it matters, and when to use it.
Read article → - Deliverability8 min read5 June 2025
How to Reduce Email Bounce Rate: A Technical Guide
High bounce rates damage your sender reputation and land future emails in spam. This guide explains what causes bounces and how to prevent them.
Read article → - Compliance6 min read10 June 2025
Email Verification and GDPR: What EU Developers Need to Know
GDPR's accuracy principle requires keeping personal data up to date. Here's how email verification helps you comply — and what to look for in a processor.
Read article → - Technical6 min read15 June 2025
Catch-All Email Domains: What They Are and How to Handle Them
Catch-all domains accept all email whether or not the mailbox exists, which breaks standard SMTP verification. Here's what that means for your product.
Read article → - Guide7 min read20 June 2025
How to Block Mailinator and Other Disposable Emails at Signup
Mailinator and similar throwaway inboxes flood signups with fake addresses. Here's how disposable email detection works and how to block them at registration.
Read article → - Compliance8 min read25 June 2025
GDPR Email Verification Checklist for EU Companies
A practical checklist for verifying email addresses under GDPR — lawful basis, DPAs, EU data residency, and the accuracy principle, with what to ask any vendor.
Read article →