protonmail.com
85/100
Mail provider: Proton Mail
| Check | Details | |
|---|---|---|
| MX | ✔ | mail.protonmail.ch, mailsec.protonmail.ch |
| SPF | ✔ | v=spf1 include:_spf.protonmail.ch ~all (2 lookups); ~all (softfail) - fine with DMARC; -all is stricter |
| DKIM | ✔ | Selectors found: protonmail3 (2048-bit+) |
| DMARC | ⚠ | v=DMARC1; p=quarantine; fo=1; aspf=s; adkim=s;; no rua= reporting address - you can't see who sends as you |
| MTA-STS | ✔ | mode: enforce |
| TLS-RPT | ✔ | v=TLSRPTv1; rua=https://reports.proton.me/reports/smtptls |
| BIMI | ✔ | v=BIMI1; l=; a=; |
How to fix it
- DMARC — Update TXT at _dmarc.protonmail.com
v=DMARC1; p=quarantine; rua=mailto:dmarc@protonmail.com; adkim=r; aspf=r; pct=100
DNS changes can take up to 24–48 hours. Re-run the check afterwards.
Want it fixed for you? I set up SPF, DKIM and DMARC without breaking your other senders,
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