Category
Verifying addresses, removing spam traps, catch-alls and disposables to protect placement.
1163 posts
Discover how an email validation solution stops malicious Data URI scripts in SVGs from compromising your list.
Detect and block emails with suspicious Date headers exceeding 24 hours using a real-time email verification API.
Use accurate email verification to build engagement-based buyer segments that boost open rates, click-throughs, and conversions. Start with 100 free.
Ensure your emails aren’t rejected by validating that Date header timestamps remain within a 24-hour range.
Ensure background images in your email templates render correctly across clients. Test with MailTester’s inbox-placement tools and avoid layout breaks.
Discover how JMAP delivers faster, more efficient email verification than IMAP. Reduce latency, improve accuracy, and boost deliverability with real-time.
Ensure your HELO name is valid to improve inbox placement. Use real-time verification and inbox testing with MailTester to reduce bounces and boost sender.
Learn how to use MX records to identify catch-all domains. Reduce bounces and improve list hygiene with real verification logic, not guesswork.
Use real email verification to catch display name spoofing through encoding errors. Stop phishing before it reaches the inbox with MailTester’s 98.9%.
Use MailTester’s email verification API to validate header syntax after the colon — catch parsing errors, prevent bounces, and improve deliverability with.
Verify email delivery and inbox placement safely using a sandbox environment. Test sends before going live with MailTester’s inbox-placement tools and.
Use MailTester’s email verification API to detect non-ASCII characters in embedded style attributes before sending.
