#!/bin/sh
if [ -z "$1" ]; then
  echo "open ssh tunnelned to specified shore server"
  exit 1
fi
delay=${2:-90}
#open tunnels for routing ESP email back to MBARI
while :; do
  echo "`date` -- Opening ssh smtp email tunnel from $1"
  ssh $1 "fuser -ksn tcp 25 2525 2>/dev/null"
  ssh -No ExitOnForwardFailure=yes -o ServerAliveInterval=1500 \
    -R :2525:mail.shore.mbari.org:25 -R :25:mail.shore.mbari.org:25 $1
  echo "`date` -- Retrying in $delay seconds"
  sleep $delay
done