It seems that 500 helps but not completely. Do I dare set it to 700?
I contacted support back to see what else may be causing this error. Besides the connection errors, I get trying to send emails with all three programs open. My other mail checker fails and tells me this.
AVAST!
Open AVAST! >> On the left select "Protection" then "Core Shields" >> Click the ON button against Mail Shield to toggle it to OFF >> Select "Stop Indefinitely" in the Question Panel which appears >> Confirm "OK" on the component stop panel which appears AVAST! then may continually advise you that you are not fully protected. To stop this, open AVAST! >> On the left select "Status" >> If a message appears warning about a shield being turned off, click on "Ignore" then close Avast.Open AVAST! >> on the left select Real Time Shields >> Mail Shield >> click the STOP button and from the drop down select Permanently >> click Yes to the popup. \parAVAST! then may continually adivse you that you are not fully protected, to stop this open AVAST! >> Settings >> select Status Bar >> remove the check mark from Mail Shield >> click OK.