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Practical 365

Better Spam Filtering with Exchange Online Mail Flow Rules

June 14, 2018 by Paul Cunningham 7 Comments

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.

Exchange Online Anti-Spam, EOP, Mail Flow Rules, Phishing, Spam, Transport Rules

The Junkings will Continue Until Morale Improves

March 16, 2018 by Paul Cunningham 47 Comments

A recent increase in email spoofing false positives causing legitimate email to go to Outlook junk folders can be explained by a change in Office 365 Advanced Threat Protection.

Blog Antispam, ATP, DKIM, DMARC, EOP, SPF, Spoofing

Microsoft Beefs up Email Protection with Office 365 Advanced Threat Protection Anti-phishing Policies

February 21, 2018 by Paul Cunningham 37 Comments

Microsoft has improved the phishing and impersonation detection capabilities of Exchange Online Protection and Office 365 Advanced Threat Protection with anti-phishing policies.

Security Advanced Threat Protection, ATP, EOP, Exchange Online Protection, Impersonation, Phishing

Admin Annoyances with Exchange Online Protection

February 1, 2018 by Paul Cunningham 19 Comments

As Microsoft invests in development of the Security and Compliance Center, some inconsistencies and annoyances have crept in to Exchange Online Protection administration.

Exchange Online Admin, EOP, Exchange Online, Exchange Online Protection

Restoring the Default Malware Filter Policy in Exchange Online Protection

January 22, 2018 by Paul Cunningham Leave a Comment

How to use PowerShell to reset an Exchange Online Protection malware filter policy back to the default settings.

Exchange Online EOP, Malware, PowerShell

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

December 5, 2017 by Paul Cunningham 5 Comments

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.

Exchange Online Anti-Spam, Azure AD Identity Protection, EOP, Exchange Online Protection, SPF

Podcast Episode 25: Exchange Online Protection vs Third Party Antispam, with Brian Reid and Michael Van Horenbeeck

October 25, 2016 by Paul Cunningham 1 Comment

In this episode of the Exchange Server Pro Podcast my guests Brian Reid and Michael Van Horenbeeck discuss Exchange Online Protection vs 3rd party antispam.

Security Antispam, EOP, Exchange Online Protection, Podcast

Switching Hybrid Mail Flow to Use Exchange Online Protection for Inbound Email

March 5, 2016 by Paul Cunningham 76 Comments

How to cut over inbound mail flow for a Hybrid configuration to use Exchange Online Protection for anti-spam and anti-virus protection.

Exchange Server Antispam, EOP, Exchange Online Protection, Hybrid, Office 365

Podcast Episode 13: Exchange Online Protection and Advanced Threat Protection with Brian Reid

January 28, 2016 by Paul Cunningham 4 Comments

In this episode of the Exchange Server Pro Podcast Brian Reid and I discuss Exchange Online Protection and new ATP features.

Exchange Online Advanced Threat Protection, ATP, EOP, Exchange Online Protection, Office 365, Spam

MX Records for Exchange Hybrid Deployments

November 26, 2015 by Paul Cunningham 15 Comments

Exchange Hybrid deployments with Office 365 have several options for how the MX records for the domain can be configured.

Exchange Server EOP, Exchange Online, Exchange Online Protection, Hybrid, Mail Flow, MX, Office 365

Recent Articles

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  • The Practical 365 Weekly Update: S2, Ep 8 – What to expect in 2021, Solarigate, TLS in Exchange and new Teams updates
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