How to generate a message trace with more than 5000 lines in PowerShell

Applies to: Exchange Online, Exchange Online Protection.   This scenario is addressed to companies that generate high mail flows or use multiple applications to relay emails. Many admins are at some point facing a situation where analyzing a complex transport scenario is needed, this being translated into generating lengthy message traces.   The purpose of…

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Why Exchange Online Protection didn’t block this virus and what can I do?

Before proceeding with the core part of this article, I would like to describe a bit the Exchange Online Protection malware filter. Appendix EOP – Exchange Online Protection O365 – Office 365 OWA – Outlook Web App EOP Anti-Malware protection is a layered system using multiple anti-malware scan engines in order to protect against all…

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