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Mail Gateway Integration X: User Based Certificate Authentication

Requirements

Import Root CA Certificate

  • Open certlm.msc on the SMG server
  • Expand Trusted Root Certificate Authorities
  • Right-Click Certificates
  • Select All Tasks
  • Select Import
  • Click Next
  • Click Browse
  • Select your Root CA Certificate
  • Click Next
  • Click Next
  • Click Finish
  • Confirm with Yes
  • Close with OK

Import Intermediate Certificate (Optional)

  • Expand Intermediate Root Certificate Authorities
  • Right-Click Certificates
  • Select All Tasks
  • Select Import
  • Click Next
  • Click Browse
  • Select your Intermediate CA Certificate
  • Click Next
  • Click Next
  • Click Finish
  • Confirm with Yes
  • Close with OK

Enable Certificate Authentication

  • Open Internet Information Services (IIS) Manager
  • Expand your Server
  • Expand Sites
  • Click on Default Web Site
  • Double Click on SSL Settings
  • Enable Require SSL
  • Change Client certificate to Require
  • Click Apply
  • Restart IIS

Check Connection

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