BIMI displays your brand logo next to emails in supporting clients.
Two certificate types:
- VMC (Verified Mark Certificate) — Requires registered trademark, ~$1,500+/year, shows blue checkmark in Gmail
- CMC (Common Mark Certificate) — No trademark needed, ~$700-1,200/year, logo without checkmark
Provider support (2025-2026):
- ✅ Gmail (VMC or CMC required)
- ✅ Yahoo Mail (self-asserted, no certificate needed)
- ✅ Apple Mail (VMC required)
- ✅ Fastmail (self-asserted)
- ❌ Microsoft Outlook (not supported)
Prerequisite: DMARC at p=quarantine (pct=100) or p=reject.
SVG requirements: Tiny Portable/Secure format, square, max 32KB, no scripts or animations.
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