Ethermine is a pool which mines and stakes Ethereum.
According to their connection guide (as of January 2022).

You connect to one of their international servers

asia2.ethermine.org
asia1.ethermine.org
eu1.ethermine.org
us1.ethermine.org
us2.ethermine.org

With the stratum port of 4444.

Setting your username to the target wallet address.

This translates to the following configuration in the wallet and server settings.

Wallet: ETHEREUM_WALLET_ADDRESS.WORKER_NAME
Server: stratum://CHOICE_OF_SERVER.ethermine.org:4444

Eg. If my target ether address was0xD6954bA6afd0de4F796D1b71d05A559F38414D2a and my computer was closest to the asian server, I’d use the following.

Wallet: 0xD6954bA6afd0de4F796D1b71d05A559F38414D2a.macminer
Server: stratum://asia1.ethermine.org:4444

If you’d like any support for any other pools, don’t hesitate to get in touch.