MSRXTools / Phishing & email
Email spoofing check (SPF, DMARC, CAA)
Can anyone send mail as your domain? Reads SPF, DMARC and CAA records and explains each in plain words.
Runs on our server
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Good to know
- SPF lists who may send mail as you; DMARC tells receivers what to do when mail fails; CAA limits who can issue your TLS certificates.
- A domain that sends no mail at all should still publish v=spf1 -all and a DMARC p=reject record.
- DKIM needs a selector name, so it is not checked here.
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