Overview
If you're having trouble managing incoming emails on your server, particularly in identifying emails that do not originate from your own domain, a solution is to add an [EXTERNAL] prefix in the subject line of these emails.
Solution
To add an [EXTERNAL] prefix in the subject line of all incoming emails that do not originate from your own domain, follow these steps:
- Please click on the following link to understand the general instructions for creating rules for incoming emails: Create an Incoming Rule.
- Once you have reviewed the instructions, please create the incoming rule similar to the following example rule: