Cost / License
- Free
- Proprietary
Platforms
- Online


DMARC monitoring and email authentication made affordable. Free tools, API access, and multi-domain support from $2.99/mo.




A lightweight, self-hosted DMARC report parser with a beautiful Vue.js dashboard. Single-binary deployment with IMAP integration, SQLite storage, and RFC 7489 compliance.




Free real-mailbox inbox placement testing across 9 providers including Gmail, Outlook, Mail.ru, and Yandex.

MailAegis is an email authentication monitoring service for domain owners, IT teams, and email senders. It checks SPF, DKIM, DMARC, and MX records against DNS best practices, scores the overall configuration, and surfaces specific misconfigurations with actionable...




SenderClarity helps small and mid-sized businesses monitor DMARC reports, identify unauthorized senders, and move toward full email authentication enforcement. Connect your domain and start seeing who's sending email on your behalf, including legitimate sources you may have...



Managed DNS, Dynamic DNS, and email authentication platform with DMARC reporting, SPF management, DKIM, BIMI, MTA-STS, and TLS reporting in one place. Up to 5 free hostnames under shared domains.