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Technical solution is not the solution alone. All technical solutions have as a goal to verify the source of an email messageIs the sender authorized to send mail from the proposed sender address?Be able to trace verified messagesBe able to reject messages early in pathBut, this is only one thir
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1. Signing Email MessagesIdentified Internet Mail Patrik Fltstrm
Consulting Engineer, Cisco Systems Inc.
Member, Internet Architecture Board
2. Technical solution is not the solution alone All technical solutions have as a goal to verify the source of an email message
Is the sender authorized to send mail from the proposed sender address?
Be able to trace verified messages
Be able to reject messages early in path
But, this is only one third of the puzzle:
Legislation
Technical solutions
Action
Cooperation is the solution
Meetings like this
3. Problems with email delivery
4. Goals for Identified Internet Mail Provide tools to identify and block spoofed email
Preserve the positive aspects of email
Anyone can send to anyone, without introduction
Senders can be anonymous to the extent they are now
Ability to send mail independent of location
Messages should not fail verification in case of inconsequential modifications
Accommodate common mailing-list behavior
Use existing trust hierarchies
Inclusive of large and small domains
Easier to deploy rapidlyprocesses are already defined
Support mechanisms that evaluate reliability of message senders
5. Authentication/Authorization Model
6. Identified Internet Mail Explained