Terms of use

MailAlign is a free tool provided as is, without warranty of any kind. Results are automated readings of the headers you paste and of the verdicts other mail servers wrote into them. MailAlign does not re-verify signatures or look anything up, so a result is not a guarantee that a message is genuine or harmless. Check important messages through another channel.

Fair use: anonymous use is rate-limited (per minute per IP and a shared daily pool); free API keys have a monthly quota of about 100 analyses. Keys are personal, may be revoked for abuse, and expire if unused for about 13 months. There is no paid tier. Don't attempt to bypass limits or overload the service. Access may be limited or withdrawn at any time.

Works with AI agents and assistants that can call an MCP server or a JSON API, for example Muse, Claude, ChatGPT or Cursor (descriptive only). MailAlign is not affiliated with, endorsed by or sponsored by Meta, Google, Microsoft or any email provider.

Privacy: nothing you paste is stored. See Privacy.

These terms may change; the current version is always at this page.

Back to MailAlign · v0.1.2 · Contact: digitalpromohub.support@gmail.com