Current stage
The project continues earlier 47Mail work on a JMAP server and message archives. A public mail service is not available.
← All products & projectsCorrespondence that remains
Epistolon
Correspondence that remains
useful over time.
Epistolon explores email as more than a passing inbox: structured messages, inspectable archives and deliberate control over where correspondence is held.
In development · No public mail service
Who it is for
For people and systems that need to return to, automate and archive correspondence.
Have a task in mind?
Tell us what you need to achieve and what you already have. Start with a description, without private files or credentials.
Availability, examples and technical limits
All products & projectsKeep correspondence
Epistolon
Keep correspondence
usable over time.
A mail-system project focused on structured messages, archives and explicit control over where correspondence is held.
In development. No public mail service.
Who it is for
People and systems that need correspondence to remain inspectable, automatable and durably archived.
Scope and limits
Mail transport, archive custody, sender identity and external delivery are separate properties and must be verified independently.
A question about the project?
Describe what you would like to do and mention the project name. A discussion does not reserve access or place an order.