General

Best Practices

• 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

See all 27 articles