By default, the eMule TCP port is 4662 and the UDP port is 4672. It can also be set from 1 to 65535.
Do not rely on the built-in update ( server.met from 2003 is long dead). Instead, use these three methods: Emule Server List
The server list is just a text file — a directory of active operators. Without it, your eMule is a phone with no phonebook.” By default, the eMule TCP port is 4662