#!/bin/sh

# Author: Christoph Galuschka <christoph.galuschka@chello.at>

t_Log "Running $0 - sendmail can accept and deliver local email."

ret_val=1

# send mail to localhost

mail=$(echo -e "ehlo localhost\nmail from: root@localhost\nrcpt to: root@localhost\ndata\nt_functional test\n.\nquit\n" | nc -w 5 127.0.0.1 25 | grep accepted)

MTA_ACCEPT=$?

if [ $MTA_ACCEPT == 0 ]

  then

  t_Log 'Mail has been queued successfully'

fi

sleep 1

if [ "$centos_ver" -eq "8" ]; then

  t_Log "Dumping journalctl to /var/log/maillog"

  journalctl -u sendmail >> /var/log/maillog

fi

regex='250\ 2\.0\.0\ ([0-9A-Za-z]*)\ Message\ accepted\ for\ delivery'

if [[ $mail =~ $regex ]]

  then

  egrep -q "${BASH_REMATCH[1]}\:.*stat\=Sent" /var/log/maillog

  DELIVERED=$?

fi

if ([ $MTA_ACCEPT == 0  ] && [ $DELIVERED == 0 ])

  then

  ret_val=0

  t_Log 'Mail has been delivered and removed from queue.'

fi

t_CheckExitStatus $ret_val