シェルでqmailを使ってメール送信する

#!/bin/bash

# To
MAIL_TO="webmaster@hoge.com"

# From
MAIL_FROM="alert@hoge.com"

# Subject
MAIL_TITLE="subject"

# Body
MAIL_BODY="honbun"

(echo -e To: $MAIL_TO; echo -e Subject: $MAIL_TITLE; echo -e $MAIL_BODY;) | /var/qmail/bin/qmail-inject -f $MAIL_FROM