How to Set Up Email Filtering to Reduce Phishing
Good spam filtering catches most phishing before it ever reaches an inbox. Here's what to look for.
Modern email filtering goes well beyond blocking obvious spam — it should be evaluating sender reputation, checking domain authentication records (SPF, DKIM, and DMARC), and scanning links and attachments for known malicious patterns before a message ever reaches an inbox.
If you're on Microsoft 365, built-in protections have improved significantly, but the default settings aren't always tuned for maximum protection. Reviewing and tightening anti-phishing and safe attachment policies is worth a conversation with your IT provider rather than leaving everything on default settings.
No filter catches everything, so filtering should be paired with ongoing staff awareness training rather than treated as a complete solution on its own — the two work best together.
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