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  2. MDaemon® Email Server

What ports need to be open for MDaemon to communicate through a firewall?

This article will list the default ports MDaemon will be listening to. These ports will need to be opened on the firewall in order to properly make inbound/outbound connections to/from the MDaemon mail server.

Ports to be opened:

  • SMTP inbound / outbound port - 25
  • MSA inbound port - 587
  • ODMR inbound port - 366
  • SMTP SSL port - 465
  • ActiveSync port - 80
  • ActiveSync SSL port - 443
  • POP3 inbound / outbound port - 110
  • IMAP inbound port - 143
  • POP3 SSL port - 995
  • IMAP SSL port - 993
  • DNS outbound port - 53
  • Remote Administration port - 1000
  • Remote Administration SSL port - 444
  • WorldClient port - 3000
  • WorldClient SSL port - 443
  • Minger port - 4069
  • XMPP port - 5222
  • XMPP SSL port - 5223
  • BOSH port (Webmail IM) - 7070
  • BOSH SSL port (for Webmail IM) - 7443


Additional Comments

Ports that you open may vary depending on how email is collected and if one is using certain functions or features in MDaemon.