#!/bin/sh

PERCENT=$1
FROM="postmaster@maketank.net"

msg="From: $FROM
To: $USER
To: postmaster@maketank.net
Subject: Your email quota is $PERCENT% full
Content-Type: text/plain; charset=UTF-8

Your mailbox is now $PERCENT% full.
Please free up some space, or increase the quota settings for this account.

Regards,
your IMAP-Mailbox.
"

echo "$msg" | /usr/sbin/sendmail -f $FROM "$USER"

exit 0