#!/bin/bash
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# Send an email about the amount of space that every user consume with his mail account
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cd /tmp/mailSpace   #<-- creat this folder
CHECKDATE=$(/bin/date +%d%m%y-%H%M)
SENDTIME=$(/bin/date +%d-%m-%Y)
echo $CHECKDATE > /tmp/mailSpace/CHECKDATE
/usr/bin/du -sh /STORAGE/MAIL/* > /tmp/mailSpace/mail_space_$CHECKDATE 2>/dev/null   #<----- replace /STORAGE/MAIL with your own mail directory
cat /tmp/mailSpace/mail_space_$CHECKDATE | mail -s "mail storage space from $SENDTIME" USERNAME 1>/dev/null #<--- replace USERNAME with your user