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Home > Success Center > Network Performance Monitor (NPM) > Unable to connect to SMTP to Send Test Email

Unable to connect to SMTP to Send Test Email

Created by Alexander Aguilar, last modified by Alexander Aguilar on Jul 06, 2016

Views: 552 Votes: 6 Revisions: 11

Overview

This article describes the issue when you are unable to connect to SMTP to Send Test Email.

 

Environment

NPM version 11.5.X

Cause 

When this issue occurs, you receive the following error from the remote server: (403) Forbidden.