The Incoming filtering setup allows you to carry out a variety of tasks related to the filtering of your incoming mail.
Getting incoming mail filtering working includes several aspects that require attention:
- Firewall Usage
- Unrecognized Domains Log
- Incoming IP Block list
- Incoming IP Allow list
- Load Balancer Configuration
- XCLIENT SMTP Extension Support
- Local Cloud MX Records
Please ensure you do not change the MX records until all other Incoming Filtering configuration has been completed.