Certified server validation csv an mta is talking to me directly are they ok
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MIPA. Certified Server Validation (CSV) “ An MTA is talking to me directly. Are they OK?”. D. Crocker Brandenburg InternetWorking mipassoc.org/csv 8/16/2014 7:08 AM. Email Security Functions Assess the safety of an agent. Choosing Who to Make Accountable. Email Path(s) Can Be Complicated.

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Certified Server Validation (CSV) “ An MTA is talking to me directly. Are they OK?”

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Certified server validation csv an mta is talking to me directly are they ok

MIPA

Certified Server Validation (CSV) “An MTA is talking to me directly. Are they OK?”

D. Crocker

Brandenburg InternetWorking

mipassoc.org/csv

8/16/2014 7:08 AM


Email security functions assess the safety of an agent

Email Security FunctionsAssess the safety of an agent

D. CrockerIntroduction to CSV


Choosing who to make accountable

Choosing Who to Make Accountable

D. CrockerIntroduction to CSV


Email path s can be complicated

Email Path(s) Can Be Complicated

MUA

MSA

MTA

MTA

MTA

MTA

MTA

MTA

MTA

MTA

MTA

Mail Agents

MUA = User

MSA = Submission

MTA= Transfer

MDA= Delivery

MTA

MDA

MDA

MUA

MUA

D. CrockerIntroduction to CSV


Path registration schemes source assesses mtas along the path

DNS

MSA admin registers authorized MTAs

MSA Admin

MSA

MTA1

MTA2

MTA3

Is MSA ok?

Is MTA1 ok?

Is MTA2 ok?

Is MTA3 ok?

Path Registration SchemesSource assesses MTAs along the path

MSA

MUA

MTA1

MTA2

MTA3

Now do this for every recipient!

MDA

MUA

D. CrockerIntroduction to CSV


Certified server validation local operator authorizes their own mta

DNS

Register

MSA Admin

MSA

MSA OK?

Register

MTA1 Admin

MTA1

MTA1 OK?

MTA2 Admin

MTA2

Register

MTA2 OK?

MTA3 Admin

MTA3

Register

MTA3 OK?

Certified Server Validation Local operator authorizes their own MTA

MSA

MUA

MTA1

MTA2

MTA3

MDA

MUA

D. CrockerIntroduction to CSV


Csv in operation

CSV In Operation

D. CrockerIntroduction to CSV


To follow up

To follow-up…

  • Mailing list

    http://mipassoc.org/mailman/listinfo/ietf-clear

  • CSV specifications

    http://ietf.org/internet-drafts/…

    • Client SMTP Validation (CSV)draft-ietf-marid-csv-intro-01

    • Client SMTP Authorization (CSA) draft-ietf-marid-csv-csa-01

    • Domain Name Accreditation (DNA) draft-ietf-marid-csv-dna-01

  • Internet mail architecture

    • draft-crocker-email-arch-01.txt

D. CrockerIntroduction to CSV


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