#!/bin/bash

sender="SSH-Notification <notifications@sp-codes.de>"
recipient="codes@samuel-philipp.de"

if [ "$PAM_TYPE" == "open_session" ] && [ "$PAM_USER" != "root" ]; then
    HOST="`hostname`"
    subject="SSH Login: $PAM_USER from $PAM_RHOST on $HOST"
    message="User $PAM_USER logged in on $HOST from $PAM_RHOST at $(date)."
    echo "$message" | mailx -a "From: $sender" -s "$subject" "$recipient"
fi