reply.sh

#!/bin/bash

if [[ $# -eq 0 ]] ; then
  echo 'no input query' >&2
  exit 1
fi

email=$(echo $1 | grep -i -o '[A-Z0-9._%+-]\+@[A-Z0-9.-]\+\.[A-Z]\{2,4\}')

if [[ $email == my_email_address ]]
then
  server="email_server:587"
  password="my_password"
fi

if [[ -z "$server" ]]
then
  echo 'no server for '"$email" >&2
  exit 1
fi

/usr/local/bin/swaks swaks -server $server \
  -tls --auth-user "$1" --auth-password $password \
  --to "$2" \
  --from "$1" \
  --body "$3" \
  --add-header "MIME-Version: 1.0" --add-header "Content-Type: text/html" \
  --header "Subject: $4" \
  --header "In-reply-to: $5" \
  --header "References: $6"