$ nmap 107.22.63.2

Starting Nmap 5.21 ( http://nmap.org ) at 2012-04-01 21:07 PKT
Nmap scan report for ec2-107-22-63-2.compute-1.amazonaws.com (107.22.63.2)
Host is up (0.29s latency).
Not shown: 997 filtered ports
PORT   STATE SERVICE
22/tcp open  ssh
25/tcp open  smtp
80/tcp open  http




# cat /etc/hosts

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
107.22.63.2 ip-10-111-31-180.open-pages.com ip-10-111-31-180
127.0.0.1       ip-10-111-31-180.ec2.internal ip-10-111-31-180
127.0.0.1       localhost
# Added by cloud-init
127.0.1.1       ip-10-111-31-180.ec2.internal ip-10-111-31-180




root@ip-10-111-31-180:/var/www/op# cat /etc/hostname
ip-10-111-31-180.open-pages.com





root@ip-10-111-31-180:/var/www/op# cat /etc/postfix/main.cf
# See /usr/share/postfix/main.cf.dist for a commented, more complete version


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = no

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = ip-10-111-31-180.ec2.internal
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = ip-10-111-31-180.ec2.internal, localhost.ec2.internal, localhost, mail.open-pages.com, open-pages.com
relayhost = 127.0.0.1
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
recipient_delimiter =
inet_interfaces = all
default_transport = smtp
relay_transport = smtp
inet_protocols = ipv4


#smtpd_sasl_auth_enable = yes
#broken_sasl_auth_clients = yes
#smtpd_sasl_authenticated_header = yes


smtpd_sasl_auth_enable      = yes
smtpd_sasl_security_options =
smtpd_sasl_application_name = smtpd
#smtpd_sasl_local_domain     = $mydomain
broken_sasl_auth_clients    = no
root@ip-10-111-31-180:/var/www/op#