Configurazione di DMARC: Difference between revisions

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Created page with "* DMARC is a line of code that goes into your DNS TXT record * Before DMARC: setup SPF and DKIM * Create the email account that will receive the xml rejected reports dmarc-reports@example.com * Create the TXT Record Name: _dmarc.example.com Value: v=DMARC1; p=quarantine; pct=100; rua=<nowiki>mailto:dmarc-reports@example.com</nowiki> * Verificarlo; host -t txt _dmarc.example.com * In seguito aggiornare il record a: v=DMARC1; p=reject; pct=100; rua=<nowiki>ma..."
 
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Line 10: Line 10:
  Name: _dmarc.example.com
  Name: _dmarc.example.com


  Value: v=DMARC1; p=quarantine; pct=100; rua=<nowiki>mailto:dmarc-reports@example.com</nowiki>
  Value: v=DMARC1; p=quarantine; rua=<nowiki>mailto:dmarc-reports@example.com</nowiki>; ruf=<nowiki>mailto:dmarc-reports@example.com</nowiki>; fo=1;


* Verificarlo;
* Verificarlo;
Line 18: Line 18:
* In seguito aggiornare il record a:
* In seguito aggiornare il record a:


  v=DMARC1; p=reject; pct=100; rua=<nowiki>mailto:dmarc-reports@example.com</nowiki>
  v=DMARC1; p=reject; rua=<nowiki>mailto:dmarc-reports@example.com</nowiki>; ruf=<nowiki>mailto:dmarc-reports@example.com</nowiki>; fo=1;


== Riferimenti ==
== Riferimenti ==


* [https://first2host.co.uk/blog/configure-spf-dkim-dmarc-on-second-postfixadmin-server/ Configure SPF, DKIM & DMARC on Second PostFixAdmin Server - First2Host]
* [https://first2host.co.uk/blog/configure-spf-dkim-dmarc-on-second-postfixadmin-server/ Configure SPF, DKIM & DMARC on Second PostFixAdmin Server - First2Host]

Latest revision as of 17:29, 24 January 2026

  • DMARC is a line of code that goes into your DNS TXT record
  • Before DMARC: setup SPF and DKIM
  • Create the email account that will receive the xml rejected reports
dmarc-reports@example.com
  • Create the TXT Record
Name: _dmarc.example.com
Value: v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@example.com; ruf=mailto:dmarc-reports@example.com; fo=1;
  • Verificarlo;
host -t txt _dmarc.example.com
  • In seguito aggiornare il record a:
v=DMARC1; p=reject; rua=mailto:dmarc-reports@example.com; ruf=mailto:dmarc-reports@example.com; fo=1;

Riferimenti