PowerDMARC’s Email Authentication Blog – Read the latest news and updates

Why is DMARC Important?

Why is DMARC important? DMARC when configured on top of existing SPF and DKIM records helps you in confirming whether either or both of the authentication checks have failed.

What are DMARC tags?

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What are DMARC tags? A DMARC record consists of a mixture of DMARC tags that communicates instructions to email receivers. Learn more about them.

What is the pct (percentage) tag in a DMARC Record?

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What is the DMARC pct tag? The DMARC pct tag is part of this record and tells an email receiver what percentage of messages under this policy will be affected.Read more.

What is the DMARC sp (Subdomain Policy) tag?

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What is the DMARC sp (subdomain policy) tag? When should you configure a subdomain policy for DMARC for your subdomains and what are the risks and benefits involved.

How to upgrade your DKIM keys (from 1024-bit to 2048-bit) for Microsoft Office 365 Exchange Online?

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Learn how to upgrade your DKIM keys on Microsoft Office 365 Exchange Online Powershell, from 1024-bit to 2048-bit, manually.

Microsoft DMARC Aggregate Reports

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Microsoft DMARC aggregate reports are here! Learn how it benefits you and what you can do to make the most out of this roll-out.

How to Fix “MTA-STS Policy is Missing”?

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Learn how to get rid of the prompt “MTA-STS policy is missing: STSFetchResult.NONE ” by implementing and hosting the MTA-STS policy file correctly.

How to make my third-party vendors DMARC-compliant?

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Third-party services increase risk by opening up opportunities for malicious actors to impersonate brands. Enable SPF, DKIM, and DMARC for your third-party vendors to gain maximum DMARC compliance on your emails.