DMARC is a free email authentication protection control that is used alongside SPF and DKIM. When used correctly it provides an effective security policy to help prevent malicious actors from impersonating your email addresses outside of your email system. Microsoft have recently announced the ability to set DMARC controls within […]
DMARC
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Proper use of the SPF and DKIM email authentication controls allows you to also enforce the DMARC control to significantly increase your email security posture. Adopting the desired DMARC reject mode allows you to help prevent external parties from sending spoof emails from your email domain to anyone else on […]