#! /usr/bin/env bash
# Spamcheck für MS365 error-codes und Spamhaus rejections
# Maintainer: peignerpausz

printf '🚀 %s Spamcheck 🛠️ \n' "$(hostname)"
found_errors=0
for a in S3150 S775 S7771 S7772 S7773 S7774 S7775 S7776 S7777 S7778 S7779 Spamhaus
do
    count=$(sudo grep -c "\($a\)" /var/log/maillog 2>/dev/null)
    count=${count//$'\r'/}
    count=${count//[^0-9]/}
    count=${count:-0}
    if [ "$count" -gt 0 ]; then
        printf "❌ Anzahl %s: %s\n" "$a" "$count"
        found_errors=1
    fi
done
if [ "$found_errors" -eq 0 ]; then
    printf "✅ All systems green.\n"
fi