The three exchanges (Bittrex, Yobit and Poloniex) don't support it yet:
It would be possible if bittrex lists electroneum too.
Currently miningpoolhub doesn't support cryptopia.
Thank you! I was mining Monero on MPH but electroneum is 3x more profitable so I decided to switch. I would much rather be mining it with MPH though as their setup is easy to use.