Difference between revisions of "DMARC"

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You '''need''' to have [[SPF]] and [[DKIM]] properly established first.
 
You '''need''' to have [[SPF]] and [[DKIM]] properly established first.
  
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(assuming your domain is 'example.com') Publish a DNS TXT record with this label<ref>Namecheap has a particular quirk where the 'label' (or host) portion of the TXT record should just be '_dmarc' and their system will append the domain for you.</ref>:<br />
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(assuming your domain is 'example.com') Publish a DNS TXT record with this label:<br />
 
<code>_dmarc.example.com</code><br />
 
<code>_dmarc.example.com</code><br />
 
and this value<br />
 
and this value<br />
 
<code>v=DMARC1; p=none; rua=mailto:postmaster@example.com;</code>
 
<code>v=DMARC1; p=none; rua=mailto:postmaster@example.com;</code>
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try http://kitterman.com/dmarc/assistant.html
 
  
 
== Background ==
 
== Background ==
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== Vendors ==
 
== Vendors ==
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=== Dmarcian ===
 
 
https://dmarcian.com/ is a place where you can get your reports nicely aggregated and reported.
 
https://dmarcian.com/ is a place where you can get your reports nicely aggregated and reported.
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See their
 
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* [https://space.dmarcian.com/video-dmarc-benefits/ video about DMARC benefits]
 
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* Their [https://www.youtube.com/watch?v=4jUcAvTMp0Y project deployment process] is spot on. It's a great example of how deploying technology into an organization is more about the people, process and cross-functional training plus 'wiki' knowledge left at the end of the process than it is about the technology alone.
 
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* [https://space.dmarcian.com/deployment/ deployment checklist]
 
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* Inspector: https://dmarcian.com/dmarc-inspector/equality-tech.com
 
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* [https://dmarcian.com/mcontrol/ Mission Control] is their account 'dashboard'
 
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== Tools ==
 
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<code>dig any _dmarc.example.com +trace</code>
 
  
 
== See Also ==
 
== See Also ==
 
[https://support.google.com/a/answer/2466563 Add a DMARC record] in Google support
 
[https://support.google.com/a/answer/2466563 Add a DMARC record] in Google support
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{{References}}
 
  
 
[[Category:Email]]
 
[[Category:Email]]
 
[[Category:Spam]]
 
[[Category:Spam]]

Revision as of 21:07, 4 March 2016

TLDR[edit | edit source]

You need to have SPF and DKIM properly established first.

(assuming your domain is 'example.com') Publish a DNS TXT record with this label:
_dmarc.example.com
and this value
v=DMARC1; p=none; rua=mailto:postmaster@example.com;

Background[edit | edit source]

DMARC-2015-logo-small-202x110.png

https://dmarc.org/

IETF Specification[edit | edit source]

https://tools.ietf.org/html/rfc7489

Vendors[edit | edit source]

https://dmarcian.com/ is a place where you can get your reports nicely aggregated and reported.

See Also[edit | edit source]

Add a DMARC record in Google support

Domain Name System. An Named Host to IP Address lookup system

Internet Engineering Task Force = organization to make the Internet work better

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