Glossary 📧 Email

Email Security

DMARC

Tells receiving servers what to do with mail failing SPF/DKIM checks for your domain, and sends you reports.

Why this matters

Email is where most phishing and invoice-fraud attempts start, and without the right DNS records others can more easily send email pretending to be your business.

You might see this as

Microsoft Defender for Office 365Proofpoint

More in Email

Anti-spamFilters out unwanted bulk and junk email before it reaches inboxes.Anti-phishingDetects emails that try to trick people into clicking links, sharing passwords, or sending money, including impersonation attempts.Safe LinksChecks links in emails when they are clicked and blocks the visit if the website is known or found to be malicious.Safe AttachmentsOpens email attachments in an isolated test environment first to check for malicious behavior before delivery.SPFSender Policy Framework is a DNS record listing which mail servers are allowed to send email for your domain.DKIMDomainKeys Identified Mail adds a digital signature to outgoing email so receivers can verify it was not altered.Mail encryptionScrambles email content in transit or end to end so only the intended recipients can read it.Email sandboxingRuns suspicious attachments or links in a safe, isolated environment to observe what they do before anyone opens them.

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