Sender Policy Framework Archives - Practical 365

The Most Important Steps an Administrator Can Take to Make Exchange Online Secure by Default

Sean McAvinue — Fri, 30 Jul 2021 14:08:22 +0000

There are many ways in which you can improve the security of your Exchange Online environment. In this article, Sean McAvinue details the most important steps that admins can immediately implement to align Exchange Online tenants with a good security baseline and posture.

The post The Most Important Steps an Administrator Can Take to Make Exchange Online Secure by Default appeared first on Practical 365.

This Sender Failed Our Fraud Detection Checks and May Not Be Who They Appear to Be

Paul Cunningham — Fri, 23 Sep 2016 01:53:21 +0000

Email messages may be found in the Junk Email folder of Outlook with a message that fraud detection checks failed, warning that the message may be spoofed.

The post This Sender Failed Our Fraud Detection Checks and May Not Be Who They Appear to Be appeared first on Practical 365.

A Sender Policy Framework (SPF) Primer for Exchange Administrators

Paul Cunningham — Mon, 07 Dec 2015 11:00:03 +0000

Learn how Sender Policy Framework (SPF) records work to prevent email spoofing, and how you can implement the correct SPF record for your domain.

The post A Sender Policy Framework (SPF) Primer for Exchange Administrators appeared first on Practical 365.