HAPROXY role in smtp to fax#

if you have more than one kapps node running the fax application, you may want to distribute the load from smtp among the several nodes.

# smtp configuration simple configuration for haproxy
listen kazoo-fax-smtp
 bind *:25
 mode tcp
  no option http-server-close
  maxconn 50
  log global
  option tcplog
  timeout client 1m
  timeout server 1m
  timeout connect 5s
  option tcp-check
  tcp-check send NOOP\r\n
  tcp-check expect string 250 Ok\r\n
 balance roundrobin

 server kapps-01 kapps-01:19025 check check-send-proxy send-proxy
 server kapps-02 kapps-02:19025 check check-send-proxy send-proxy
 server kapps-03 kapps-03:19025 check check-send-proxy send-proxy
 server kapps-04 kapps-04:19025 check check-send-proxy send-proxy

haproxy version#

at least haproxy-1.5-dev23 (check-send-proxy send-proxy)

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