Nagios XI – Configuring Core Contacts to Use XI’s phpmailer SMTP Settings

This document describes how to configure non-XI user (Core) contacts to use the SMTP phpmailer settings from the email management interface.

This document is intended for use by Nagios XI Administrators who wish to configure Core contacts to use the XI email configuration (including SMTP relay settings) without the (previously) required link to an XI user.

Nagios XI 2024 & 2026

Configuring Core Contacts to Use PHP Mailer in XI 2026

Nagios XI v5 (Legacy)

Configuring Core Contacts to Use PHP Mailer in XI 5