General
Best Practices
- Configure Google Workspace Outbound Filtering Using a Content Compliance Rule
- How to Bypass Microsoft 365 Spam Filtering for Messages from MXGuardian
- How to configure Google Workspace to relay outbound mail to MXGuardian
- Best Practices for Microsoft 365 (Exchange Online)
- Best practices for Google Workplace (formerly G Suite)
- What IP addresses should I accept mail from?
Knowledgebase
- How to Trace a Missing Message in Microsoft 365
- Create a Microsoft 365 Mail Flow Rule to Move [SPAM] Messages to Junk Email
- Checking for Suspicious Inbox Rules and Forwarding Settings in Microsoft 365
- How to backup and restore your Exim configuration in cPanel/WHM
- How to configure Exim on cPanel to only accept mail from MXGuardian
- How to configure Postfix to use a smarthost for outbound mail