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Frequently Asked Questions

• General Questions
  
• Sending Faxes
  
• Receiving Faxes
  
• Account Management
  
• Billing Questions
  
• Developer API Questions
  
• System Limitations
  

Discussion Forum

Join the ongoing discussion in the InterFAX Internet Fax Discussion Forum

Getting Started with InterFAX

• How to activate internet faxing in Microsoft Office 2003
  
• Sending your first fax with InterFAX
  

Documentation

• Interfax Error Codes
  
• Supported File Types
  

How To...

• How to format fax numbers
  
• How to run a fax broadcast with Interfax
  
• How to set Interfax to automatically re-purchase prepaid cards
  
• Encrypt inbound messages received through the InterFAX fax-to-email service
  
• Receive encrypted confirmations of sent faxes
  
• Encrypt outbound messages sent through the Interfax email-to-fax service
  
• How to enhance privacy when faxing through Interfax
  
• How to use InterFAX for time-sensitive applications
  
• Workaround for importing InterFAX security certificate into Microsoft Outlook
  
• Problem: "The Internet Fax Service Requires MS Outlook 2003"
  
• How to add a service to a user in a prepaid account
  
• Understanding InterFAX outbound fax transmission confirmation formats
  
• How to Fax from SAP R/3
  

Other

• Third-Party Products for InterFAX