Email Channel
Seal Facts by Sending Emails
Available
Use Cases
- •Mobile decisions captured on-the-go
- •Urgent captures during incidents
- •Executive approvals from any device
- •Low-friction fact sealing
How It Works
1
Send email
Send to your stream-specific Horizon address
2
Subject becomes declaration
Email subject is sealed as the fact declaration
3
Body becomes payload
Email body is sealed as custom_payload
4
Attachments hashed
File SHA-256 hashes sealed (content not stored)
5
Confirmation sent
Receive seal confirmation with fact_id
Security
- ✓Sender verified via DKIM/SPF/DMARC
- ✓Actor derived from verified email address
- ✓Attachments: only hashes stored, never content
- ✓TLS encryption in transit
Email channel provides identical cryptographic guarantees as API channel.