Manage spam and allowed-lists

In addition to the automatic spam filtering available with Gmail, administrators can customize your organization's spam filter settings, allow or block messages from specific senders, and more. See below for your options.

• Options for managing spam messages
• Add custom spam filters to Gmail
• Block messages from an email address or domain
• Add IP addresses to allowlists in Gmail
• Allowlists, denylists, and approved senders
• Set up an image URL proxy allowlist