#!/usr/bin/env sh # Report a quota usage warning to an user PERCENT="${1}" USER="${2}" DOMAIN="${3}" # shellcheck disable=SC2250 cat << EOF | /usr/lib/dovecot/dovecot-lda -d "$USER" -o "plugin/quota=maildir:User quota:noenforcing" From: postmaster@$DOMAIN Subject: quota warning Your mailbox is now $PERCENT% full. EOF