e mail voicemail retention policy reminder ena policy regarding retention electronic mail including lotus notes mail internet e mail cc mail voicemail follows message location maximum retention inbox 30 days message log sent mail 30 days trash rollover inbox 15 days bulletin boards 30 days folders archives e mails placed folders archives one year voicemail 90 days e mail voicemail older maximum retention purged automatically responsible monitoring compliance policy exception policy requires approval mark haedicke richard sanders mark frevert mark haedicke