ismyemailbroken.com
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DMARC Record Generator
build a DMARC record and paste it into your DNS
Check Current
Policy Settings
▶
Policy (p)
— what to do with failing emails
none
— monitor only (recommended to start)
quarantine
— send to spam
reject
— block entirely
Subdomain Policy (sp)
— optional, inherits from policy if not set
inherit from policy
none
quarantine
reject
Percentage (pct)
— % of failing mail to apply policy to
Reporting
▶
Aggregate reports (rua)
— daily XML summaries
Forensic reports (ruf)
— per-failure reports (many providers don't send these)
Failure reporting options (fo)
0
— report if all checks fail (default)
1
— report if any check fails (recommended)
d
— report if DKIM fails
s
— report if SPF fails
Alignment (Advanced)
▶
DKIM alignment (adkim)
r
— relaxed (subdomains OK)
s
— strict (exact match)
SPF alignment (aspf)
r
— relaxed (subdomains OK)
s
— strict (exact match)
Report interval (ri)
— seconds between aggregate reports
Default: 86400 (24 hours)
Add this TXT record to your DNS:
_dmarc.yourdomain.com
Copy Record
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