FAQ & Knowledge Base

Welcome to our Knowledge Base. Search or browse through the topics below to find answers to your questions.

Categories: SmartPOP2Exchange | Exchange Server Toolbox | Show all categories

Outbound ports

Question / Problem

Which outbound ports do the Exchange Server Toolbox, SmartPOP2Exchange and SpamAssassin need?

Answer / Solution

  • Check for Update
    • TCP and UDP Port 853
    • TCP Port 443
  • ClamAV
    • FreshClam (Signature Updater)
      • TCP Port 53
    • Rsync (SaneSecurity Signature Updater)
      • TCP Port 873
  • SpamAsassin
    • Razor (Regel Updater)
      • TCP Port 2703
    • Querying blacklists (RBLs)
      • TCP and UDP Port 53