Anti-Spam Archives - Practical 365

Getting the Most out of Microsoft Defender for Office 365 Policies

Sean McAvinue — Fri, 01 Oct 2021 16:03:46 +0000

This article examines the different components of Defender for Office 365, and how you can customize the configuration beyond the baselines to enhance the relevance and impact the policies have on your tenant. The most important aspects to review when modifying the configuration from baselines and the reasons to consider each configuration option are highlighted, but they don’t take you all the way. The items listed here are a subset of what’s available, but when combined with the baselines will help you to bring your Defender implementation to the next level.

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Better Spam Filtering with Exchange Online Mail Flow Rules

Paul Cunningham — Thu, 14 Jun 2018 02:20:00 +0000

How to use Exchange Online mail flow rules to improve the effectiveness of your EOP spam filtering and protect Office 365 users from phishing attacks.

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The Curious Case of the Quarantined Azure AD Identity Protection Weekly Digests

Paul Cunningham — Tue, 05 Dec 2017 07:06:11 +0000

A curious case of legitimate Azure Active Directory Identity Protection weekly digest emails being quarantined by Exchange Online Protection when international spam filtering is enabled.

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Advanced Threat Protection Notes from the Field

Paul Cunningham — Thu, 21 Apr 2016 00:00:00 +0000

Here's my experience using the Advanced Threat Protection features in Exchange Online Protection to protect my Office 365 tenant.

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Managing Changes to MX Records and Incoming Email Traffic

Paul Cunningham — Thu, 22 Nov 2012 12:41:11 +0000

How to plan, test and implement changes to MX records and inbound email traffic routes in an Exchange Server environment.

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Exchange 2010 Edge Transport Server: Configuring IP Block List Providers

Paul Cunningham — Sat, 14 May 2011 11:16:44 +0000

How to configure an Exchange Server 2010 Edge Transport server to use Spamhaus as an IP Block List Provider.

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Vircom modusGate and directQuarantine Review

Paul Cunningham — Sat, 30 Apr 2011 23:01:21 +0000

modusGate by Vircom is an email security product that includes anti-spam and anti-virus protection, as well as a range of other useful security and administrative features that are configurable to an impressive depth.

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What Are You Telling Customers About the Epsilon Data Breach?

Paul Cunningham — Sat, 09 Apr 2011 22:18:00 +0000

The Epsilon data breach that compromised tens of millions of email addresses has been the big news of the email world lately. What are you telling your customers to expect?

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Understanding the Exchange Server Spam Confidence Level

Paul Cunningham — Wed, 23 Jun 2010 14:05:47 +0000

If you have looked at Exchange Server’s anti-spam features or taken a peek at the headers of an email sent through an Exchange server you have probably encountered the term SCL before.

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Review of GFI MailEssentials

Paul Cunningham — Tue, 12 Jan 2010 22:22:20 +0000

GFI MailEssentials is an anti-spam and email management product from GFI Software delivering 99% accuracy for spam detection and email management tools for Exchange Server environments.

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