InboxAuth – Email Authenticity

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InboxAuth scans your domain’s SPF, DKIM, and DMARC records, then walks you through
a guided setup to close the gaps:

1. DNS Scan — checks your current SPF, DKIM, and DMARC records.
2. Connect Mailbox — validates an IMAP connection to a reports@yourdomain.com
   mailbox that will receive DMARC aggregate reports.
3. Set DMARC — walks you through publishing a starter DMARC record
   (p=none, rua=mailto:reports@yourdomain.com) so reports start flowing in.
4. Observer Mode — runs a 48-hour window, then automatically parses every DMARC
   aggregate report received via IMAP to build a list of everyone sending mail as
   your domain.
5. Generate Records — once you’ve confirmed which senders are legitimate, generates
   a tailored SPF record plus a DMARC record with your choice of quarantine or
   reject enforcement, and validates both live via DNS.

The Dashboard gives an at-a-glance view of SPF/DKIM/DMARC status, an overall Email
Security Score, a one-click re-scan, and a link to test whether your domain can
currently be spoofed via the companion Email Authenticity Checker tool.

Requirements

• PHP’s imap extension enabled (for Step 2 / Step 4 mailbox access)
• PHP’s zip extension enabled (Step 4 unpacks .zip-attached DMARC reports)
• Outbound DNS resolution available to the server (standard on virtually all hosts)