High-deliverability broadcasts engineered for verified custom domains and 100% opted-in subscriber lists. Built for developers and modern SMBs—no shared IP decay, zero corporate bloat, and instant setup.
A straightforward four-step progression designed for developers and growth-focused SMBs. No bloated training manuals or configuration headaches.
Add clean CNAME and TXT records to your DNS provider. We authenticate your DKIM and SPF protocols via Resend in seconds.
Upload opt-in subscriber CSV files with custom attributes and tags. Our anti-spam armor ensures zero purchased list contamination.
Craft responsive emails using our clean template editor with smart dynamic tags and instantaneous live desktop & mobile previews.
Watch live delivery telemetry, open analytics, click events, and automated bounce thresholds stream in real-time.
We eliminate generic email marketing bloat and focus exclusively on what developers and growing businesses require to maintain spotless sender reputations.
Never send from generic shared webmail addresses that trigger DMARC quarantine. MailBlaster integrates directly with Resend to automate custom domain verification, ensuring every broadcast passes SPF and DKIM authenticity checks with flying colors.
Treat subscribers like humans, not database rows. Inject intuitive mustache variables like {{firstName}}, {{company}}, or custom profile attributes directly into your subject lines and HTML bodies for high-converting personalization.
Stop fighting ancient HTML email table quirks. Write clean, well-formatted messaging in our focused visual template studio. Inspect responsive rendering instantly with live desktop and mobile viewport toggles before pressing send.
No guesswork required. Track broadcast performance down to the individual recipient event. Monitor confirmed deliveries, unique opens, delivery latency, and hard bounce counts on clean, interactive dashboard charts.
No long-term enterprise lock-ins or surprise overages. Start free and scale up via Stripe as your opt-in subscriber list grows.
For testing & small newsletters