Email Spam Protection & List Hygiene - SMASHSEND

Spam protection

Bad addresses are the fastest way to wreck your sender reputation. SMASHSEND filters bots, typos and duplicates at signup, before they ever reach your list.

Bot filtering A captcha plus a hidden honeypot field stops automated signups without adding friction for real people. Typo detection Common domain typos like gmial.com are caught at signup, so you do not lose a real subs

Why use a subdomain for email marketing - Tips to increase deliverability and avoid spam - Automated IP and domain warmup - List-Unsubscribe header - Email marketing for web3 and crypto - Looking for a Mailchimp alternat

Why does spam protection matter for deliverability? Mailbox providers judge you on how recipients react. Bot addresses and typos produce hard bounces and zero engagement, which pushes your reputation down and your future

Turn on spam protection when you build your first form. It costs nothing and saves your reputation. Start free