How to prepend all External email Subjects with  [External Source]?

External email Subjects with  [External Source]?

 

Prepending all external email subjects with [External Source] is a way to easily identify emails that come from outside the organization, and to help users be more cautious when opening or responding to those emails.

 

Steps to prepend all External emails subject with [External Source]

 

:- Go to https://admin.google.com/

 

:- Apps>Google Workspace> Gmail> compliance > Content compliance> Add another rule.

 

 

 

 

Give the NAME

 

Check mark Inbound

1. Add expressions that describe the content that you want to search for in each message

 

Add

 

Advanced content match

 

Location>Subject Match type >Not contains text

 

 

Here give the same message as

 

 

Then save Subject Prepend the custom subject Give the same message

 

Then save

 

 

Please find the below support article for your reference:-

https://support.google.com/a/answer/1346934?hl=en