spoofing

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How To: Implementing DMARC on Various Systems

Below are some resources to assist you with implementing DMARC on various systems. Cisco IronPort: http://www.cisco.com/c/dam/en/us/products/collateral/security/esa-spf-dkim-dmarc.pdf Postfix: https://www.skelleton.net/2015/03/21/how-to-eliminate-spam-and-protect-your-name-with-dmarc/ https://petermolnar.net/howto-spf-dkim-dmarc-postfix/ Office 365: SPF –...
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Resource

Tips for DMARC Implementation

250ok.com DMARC Wizard - https://250ok.com/tools/dmarc-wizard/ SPF Analyzer - https://250ok.com/tools/spf-analyzer/ DMARC Reporting Services - https://250ok.com/services/#authentication Adestra SPF - http://app.adestra.com/doc/page/current/index/admin/domains/authenticated-domains DKIM - http://app.adestra.com/doc/page/current/index/admin/domains/delegated-domains Agari...
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DMARC/DKIM: What It Is And How It Works by Rackspace

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Insight

Another Exciting DMARC Milestone for GCA

By Shehzad Mirza On October 23, 2016, GCA released a DMARC Setup Guide to ease the burden of implementing DMARC and help...
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Article

Research Finds 98% of the Top Million Internet Domains Are Potentially Vulnerable to Email Spoofing

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