Slow Connection to smtp after upgrade

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Here is my problem
after upgrading from postfix version 1 to postfix version 2.1.6
with sasl and TLS support
even sending e-mail of one word is taking about 20 seconds
connecting to smtp from outlook is very slow
auth and TLS in not enabled at this moment
can anybody help me to solve this problem
i'm not very familiar with postfix
Thank you in Advance .

here is my config


root@mail:~# cat /etc/postfix/main.cf
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
mail_owner = postfix
myhostname = mail.eequip.net
mydomain = eequip.net
myorigin = $mydomain
inet_interfaces = all
mydestination = $myhostname, $mydomain
mynetworks_style = subnet
mynetworks = 192.168.0.0/16, 127.0.0.0/8 , 192.168.0.1
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mail_spool_directory = /var/spool/mail
smtpd_banner = $myhostname ESMTP $mail_name
debug_peer_level = 2
debugger_command =
PATH=/usr/bin:/usr/X11R6/bin
xxgdb $daemon_directory/$process_name $process_id & sleep 5

sendmail_path = /usr/sbin/sendmail
newaliases_path = /usr/bin/newaliases
mailq_path = /usr/bin/mailq
setgid_group = postdrop
manpage_directory = /usr/local/man
sample_directory = /etc/postfix
readme_directory = no
html_directory = no
unknown_local_recipient_reject_code = 450
# sasl config#smtpd_sasl_auth_enable = yes
#broken_sasl_auth_clients = yes
#smtpd_sasl_security_options = noanonymous
#smtpd_recipient_restrictions = permit_sasl_authenticated , reject,
check_relay_domains
#smtpd_recipient_restrictions = permit_sasl_authenticated ,
reject_unauth_destination
# tls config
#smtp_use_tls = yes
#smtpd_use_tls = yes
#smtp_tls_note_starttls_offer = yes
#smtpd_tls_key_file = /etc/postfix/ssl/smtpd.pem
#smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.pem
#smtpd_tls_CAfile = /etc/postfix/ssl/smtpd.pem
#smtpd_tls_loglevel = 1
#smtpd_tls_received_header = yes
#smtpd_tls_session_cache_timeout = 3600s
#tls_random_source = dev:/dev/urandom
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