I also can't connect to either pool. Same issue on both of them.

[2017-10-08 15:07:13] Starting on stratum+tcp://s.umine.org:5433
[2017-10-08 15:07:13] NVML GPU monitoring enabled.
[2017-10-08 15:07:13] NVAPI GPU monitoring enabled.
[2017-10-08 15:07:13] 1 miner thread started, using 'myr-gr' algorithm.
[2017-10-08 15:07:14] ...retry after 30 seconds
[2017-10-08 15:07:44] Stratum authentication failed
[2017-10-08 15:07:44] ...retry after 30 seconds
[2017-10-08 15:08:24] Stratum authentication failed
[2017-10-08 15:08:24] ...retry after 30 seconds