#!/bin/bash
# Run a polyze report and mail it to postmaster.

set -o errexit
set -o nounset
set -o pipefail

DOMAIN="$1"

sendmail -bm -F "Polyze" -f polyze@$DOMAIN postmaster@$DOMAIN < <(
    cat <<EOF1
To: postmaster@$DOMAIN
Subject: For $(date --date='1 days ago' +'%F %a')

EOF1
    # Report queue size, if nonempty.
    declare -i queue_count=$(postqueue -j | wc -l)
    if ((queue_count > 0)); then
        printf "%d items queued.\n\n" $queue_count
    fi

    # Report rejections.
    polyze --elide-domain="$DOMAIN"
    cat <<EOF2
-- 
$(basename $0)
EOF2
)

exit 0