DMARC: Difference between revisions

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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]

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]

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

https://dmarc.org/

IETF Specification[edit]

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

Vendors[edit]

https://dmarcian.com/ is a place where you can get your reports nicely aggregated and reported. See their video about DMARC benefits

Tools[edit]

dig any _dmarc.example.com +trace

See Also[edit]

Add a DMARC record in Google support

References[edit]

  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.