EDR not sending Email when using Google as smtp relay

Products

• Endpoint Detection and Response

Issue/Introduction

EDR not sending Email when using Google as smtp relay

Cause

EDR is using own hostname in EHLO command during SMTP conversation.

Google rejecting "EHLO localhost" smtp command.

Resolution

You need to set a proper hostname by typing below command in CLI

>hostname <FQDN/hostname>

Replace <FQDN/hostname> with string you want to use