#!/bin/bash
DOMAIN="$1"
MAILFILE="$2"

if [ "$1" = "" ]; then
  echo usage: "mailgrep <domain.com> <mail.info.X>"
  exit 1
elif [ "$2" = "" ]; then
  echo usage: "mailgrep <domain.com> mail.info"
  exit 1
fi

if [ "$DOMAIN" = "1" && "$MAILFILE" = "1" ]; then
  cat /var/log/$MAILFILE |grep "$DOMAIN"  |cut -d " " -f6 |cut -d ":" -f1 |grep -v "postfix" sort -u > IDS.TXT
  echo "IDS Found!"
done

for i in `cat IDS.TXT`
do
   grep $i /var/log/$MAILFILE |grep -E 'from|to' |awk '!( NR % 2 ) {$0 = $0"\n"} 1' > $DOMAIN.parse
done

echo "Complete ou will Find the results in $DOMAIN.parse"