Trying to connect to MiningRigRentals and this is all I get:
[2017-01-13 18:05:08.715] [info] Connecting to us-central01.miningrigrentals.com:3333.
[2017-01-13 18:05:08.785] [info] Extranonce is ''.
[2017-01-13 18:05:08.870] [info] Connected to us-central01.miningrigrentals.com:3333.
[2017-01-13 18:05:08.921] [info] Server asked us to reconnect to us-central01.miningrigrentals.com:0
[2017-01-13 18:05:08.925] [error] IO/Error communicating to us-central01.miningrigrentals.com
[2017-01-13 18:05:08.948] [info] Connecting to us-central01.miningrigrentals.com:3333.
[2017-01-13 18:05:09.035] [info] Extranonce is ''.
[2017-01-13 18:05:13.473] [info] Connected to us-central01.miningrigrentals.com:3333.
[2017-01-13 18:05:13.524] [info] Server asked us to reconnect to us-central01.miningrigrentals.com:0
[2017-01-13 18:05:13.530] [error] IO/Error communicating to us-central01.miningrigrentals.com
Optiminer currently does not support the reconnect command. Therefore it does not work with miningrigrentals.com, sorry!