Difference between revisions of "DMARC"

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(adds tools section)
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You '''need''' to have [[SPF]] and [[DKIM]] properly established first.
 
You '''need''' to have [[SPF]] and [[DKIM]] properly established first.
  
(assuming your domain is 'example.com') Publish a DNS TXT record with this label:<br />
+
(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 />
 
<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>
 +
 +
try http://kitterman.com/dmarc/assistant.html
  
 
== Background ==
 
== Background ==
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== Vendors ==
 
== Vendors ==
 
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.
 +
See their [https://space.dmarcian.com/video-dmarc-benefits/ video about DMARC benefits]
 +
 +
== Tools ==
 +
<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
 +
 +
{{References}}
  
 
[[Category:Email]]
 
[[Category:Email]]
 
[[Category:Spam]]
 
[[Category:Spam]]

Revision as of 00:18, 5 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[1]:
_dmarc.example.com
and this value
v=DMARC1; p=none; rua=mailto:postmaster@example.com;

try http://kitterman.com/dmarc/assistant.html

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 their video about DMARC benefits

Tools[edit | edit source]

dig any _dmarc.example.com +trace

See Also[edit | edit source]

Add a DMARC record in Google support

References[edit source]

  1. 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.