Network Management

SMTP email test fails for Exchange Server

SMTP Email test fails for Exchange Server. When adding SMTP servers in the Orion Web Console settings, you are unable to send a test email to make sure that communication is established.

First published date

10/30/2018 7:48 PM

Last published date

5/9/2025 10:11 PM

Overview

When adding SMTP servers in the Orion Web Console settings, you are unable to send a test email to make sure that communication is established.

Product section

Network Performance Monitor

Cause

On the Exchange server configuration, Anonymous access is not enabled.

Resolution

Run Wireshark with filter ip.addr == <IP> && tcp.port == 25.
Check the packet data for authentication errors.
Select Anonymous access to allow email authentication or select SSL/This SMTP server requires cation and add the needed credentials
Check Microsoft Exchange documentation from Microsoft to locate the option based on version installed for Exchange.

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