Microsoft Defender for Office 365: Quarantine policies

Quarantine policies let you control the quarantine on how users can use it. This post will cover the default policies and how to create a custom policy. What are quarantine policies Back in April 2020, Microsoft made it possible for users to view, release, or delete quarantined messages (expect high confidence phishing). Some organizations were not happy about users having access to their own quarantined items. Quarantine policies give you more control over quarantine for your end users and which quarantined items they can release....

December 11, 2023 · 3 min

SPF, DKIM and DMARC explanation

In this post you will learn to understand how the DNS protocols SPF, DKIM and DMARC work together to protect your domain from phishers and spammers. SPF What is SPF Sender Policy Framework (SPF) is a protocol that aims to reduce spam. SPF can reduce email spoofing and spam by determining if the sender is authorized to send on behalf of the listed sender. How SPF works Imagine that you have an SPF record that looks like:...

December 9, 2023 · 10 min