❤️ Help keep MailCheck free and independent
MailCheck provides free email security scanning — SPF, DKIM, DMARC validation, blacklist checks, inbox placement testing, and outbound security analysis. No account required, no data sold.
What your donation funds
- Server infrastructure (VPS, DNS, bandwidth)
- Development and security updates
- Third-party service costs (seed accounts)
- Keeping the service ad-free and tracker-free
Choose an amount
We store only your email (for receipt and badge matching) and donation amount. Never shared publicly. Request deletion anytime: admin@smtp.secbytech.com
What supporters get
- 🏅 Supporter badge on your domain's reports (365 days)
- ⚡ Priority scanning — skip proof-of-work challenges
- 🌟 Optional listing on the Supporters wall