• PowerPC G4 or better
• Mac OS X 10.3 or greater.
• 20 MB of disk space for Spamphibian Gateway and Spamphibian Admin
• 100 MB disk space for the "Quarantine Folder" (*)
• 256 MB of RAM or higher.

(*) By default, Spamphibian Gateway will quarantine unwanted email onto your disk. To prevent out of disk space errors, Spamphibian Gateway will automatically archive and delete quarantined email after a certain number of days. See the "Quarantine" section of "Chapter 7: Advanced Spamphibian Gateway Management" for more information about the archive and delete settings.

Here are Outspring's recommended steps for setting up Spamphibian Gateway:

1. Install Spamphibian Gateway
2. Install Spamphibian Admin
3. Configure Spamphibian Gateway using Spamphibian Admin
4. Test Spamphibian Gateway (before changing your MX records)
5. Updating your MX records
6. Test Spamphibian Gateway (after changing your MX records)