Previously, a significant number of folks expressed support for a sender-pays
email model, with a fairly vocal group opposed. The problem was, nobody had any
real world experience to support their arguments.
Now we're one step closer to developing that real-world experience. I have
completed release 0.1a of Camram. It is a working system, complete with
stamp-generation and stamp-validation support.
The official announcement is as follows:
Camram is a scalable hybrid spam detection and management system that pioneers a
sender-pays e-mail model combined with traffic analysis and Bayesian filtering
to combat spam. Camram is immediately effective, but is designed to embrace
other anti-spam technologies and strategies as they are developed.
Core features:
- Global or local administration models
- Powerful systemwide or per-user filtering
- Multiple white-listing mechanisms
- Support for no notification, simple notification and challenge notification
responses
- Simple web-interface administration
- Supports mailing-list detection and handling to prevent false identification
- SMTP proxy for stamp generation and whitelist formation and management
- Completely decentralized system:
- no centralized infrastructure to bog down
- no central authority passing judgment on e-mail privileges
- scales extremely well
- User-controlled postage thresholds: users can adapt as spam methods change
- Pushes "costs" onto the sender:
- the spammer "pays" for sending all messages
- recipient costs kept to a minimum,
- no centralized infrastructure cost
- Has mechanisms to accommodate pre-stamp environment:
- growth can be organic
- no dramatic breaks with the past
- Supports freedom of speech
- Provides structure for recipient-controlled commercial e-mail environment
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