-#!/bin/sh
-rcpt="$1"
-msg="$2"
+#!/bin/bash
+msg="$1"; shift
+rcpts="$*";
ssh -vt ijackson@tunnel.chiark.greenend.org.uk \
/usr/lib/sendmail -oem -odb -oi -t <<END
-To: $rcpt
+To: ${rcpts// /, }
Subject: $msg
+User-Agent: post-pizza notification robot
$msg