Hi,
Have unlimited email quota of dedicated server.  Set to 10,000 email/hr, but is only send out 1 email every 20sec refresh.  What is problem?  Am I missing something?

thanks in advance,
@Sudo

1 emails sent in previous step
41447 emails left to be send
Estimated run time is 248.7 minute(s)
Sending 166 emails per minute

You can setup how much mails are sent per hour in plugin config.