send e-mail on only some pool members down

[root@iris:Active] config  cat user_alert.conf
alert CUSTOM_POOL_MEMBER_MON_STATUS_UP "Pool member 10.10.70.110:80 monitor status up." {
email toaddress="xxxxx"
fromaddress="root@bigip.ss.lab.f5.com"
body="pool member went up"
}
alert CUSTOM_POOL_MEMBER_MON_STATUS_DOWN "Pool member 10.10.70.110:80 monitor status down." {
email toaddress="xxxxx"
fromaddress="root@bigip.ss.lab.f5.com"
body="pool member went down"
}

[root@iris:Active] config  bigstart status postfix
master (pid 7701) is running...

[root@iris:Active] config  postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
html_directory = no
inet_interfaces = localhost
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mydestination = $myhostname, localhost.$mydomain, localhost
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
relayhost = [192.168.10.13]
sample_directory = /usr/share/doc/postfix-2.3.3/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
unknown_local_recipient_reject_code = 550

[root@iris:Active] config  grep -i 10.10.70.110 /var/log/ltm
Nov  3 02:23:12 local/iris notice mcpd[32723]: 01070638:5: Pool member 10.10.70.110:80 monitor status down.
Nov  3 02:23:41 local/iris notice mcpd[32723]: 01070727:5: Pool member 10.10.70.110:80 monitor status up.

-----Original Message-----
From: root@bigip.ss.lab.f5.com [mailto:root@bigip.ss.lab.f5.com] 
Sent: Thursday, November 03, 2011 2:23 AM
To: xxxxx
Subject: 01070638:5: Pool member 10.10.70.110:80 monitor status down.

pool member went down

-----Original Message-----
From: root@bigip.ss.lab.f5.com [mailto:root@bigip.ss.lab.f5.com] 
Sent: Thursday, November 03, 2011 2:24 AM
To: xxxxx
Subject: 01070727:5: Pool member 10.10.70.110:80 monitor status up.

pool member went up