Articles

ORF Articles

• Publishing Your Honeypot Addresses
• How to Blacklist Self-Spam in ORF?
• How to Use ORF to pass MAPS Open Relay Test

Event Sink Articles

• HOWTO: Simple Attachment Filtering
• HOWTO: Remove Read Receipt Requests on The Server

Miscellaneous Articles

• INFO: SMTP AUTH Relay Attacks
• WHITEPAPER: The Cost of Spam (200kB PDF download, by Brett Callow MVP)