adding mailx to all config for unattened upgrades
adding mailx to all config for unattened upgrades

ENCODE-DCC/encoded,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,ENCODE-DCC/encoded,T2DREAM/t2dream-portal,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,T2DREAM/t2dream-portal