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Client SMTP Validation (CSV)
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Internet mail relies on exchanges
between systems that have made no prior arrangement with each other. Widespread
abuse of the email system has led operators to demand accountability for
the email their receiving SMTP servers are being asked to process. Client
SMTP Validation (CSV) provides an economical service that permits a receiving
SMTP server to decide whether a sending SMTP client is likely to produce
well-behaved traffic, or at least to decide whether the client is sufficiently
accountable for its actions. CSV provides a small, simple and useful improvement
to Internet mail service accountability. It builds upon the existing practice
of service providers that accredit the networks from which sending systems
are connecting. |
Goals
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CSV considers two questions
at the start of each SMTP session:
- Does a domain's management authorize this MTA to be sending email?
- Do independent accreditation services consider that domain's policies
and practices sufficient for controlling email abuse?
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Overview
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BATV.ppt |
Specifications
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draft-ietf-marid-csv-intro-01
(txt or html) |
- Client SMTP Authorization (CSA)
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draft-crocker-marid-csv-csa
(txt or html) |
- Domain Name Accreditation (DNA)
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draft-crocker-marid-csv-dna (txt
or html)
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FAQ
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CSV Frequently Asked Questions
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