ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

Email Errors

Category

Service Degradation
Next in Service Degradation: Email Mailbox Unavailable Error (550)

Description

An application had an unusual increase in SMTP reply codes. This detection indicates that users might be prevented from sending or receiving email.

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

Report
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ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response

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Periodic Table of Use Cases

What else can RevealX do for you?

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