Trouble with Mail
Since installing El Capitan I have had sending and receiving mail issues. I can send on three of my accounts but I can't receive on any even if I send to myself from either of the three. The incoming server is listed and listed correctly but is grayed out in preferences. In Account preferences, it is again listed correctly but not grayed out. Anyone else with this issue?
iMac, OS X El Capitan (10.11.4)