POSTCONF -n

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
config_directory = /etc/postfix
inet_interfaces = all
local_recipient_maps =
mailbox_size_limit = 0
mydestination = it-su-helpdesk.ussu.sussex.ac.uk, ussu.sussex.ac.uk, sussex.ac.u                                                                             k, sivits.uscs.susx.ac.uk, uscs.susx.ac.uk, localhost.ussu.sussex.ac.uk, localho                                                                             st.sussex.ac.uk, localhost
myhostname = it-su-helpdesk.ussu.susx.ac.uk
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
readme_directory = no
recipient_delimiter = +
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = smtpd
smtpd_sasl_security_options = noanonymous
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes

MAIL.LOG

May 24 15:48:45 it-su-helpdesk postfix/pickup[1326]: D3625615E0: uid=0 from=<root>
May 24 15:48:45 it-su-helpdesk postfix/cleanup[1432]: D3625615E0: message-id=<20110524144845.D3625615E0@it-su-helpdesk.ussu.susx.ac.uk>
May 24 15:48:45 it-su-helpdesk postfix/qmgr[1327]: D3625615E0: from=<root@it-su-helpdesk.ussu.sussex.ac.uk>, size=387, nrcpt=1 (queue active)
May 24 15:48:45 it-su-helpdesk postfix/local[1435]: D3625615E0: to=<h.d.yousif@sussex.ac.uk>, relay=local, delay=0.13, delays=0.06/0.06/0/0.01, dsn=5.1.1, status=bounced (unknown user: "h.d.yousif")
May 24 15:48:45 it-su-helpdesk postfix/cleanup[1432]: E825C615E1: message-id=<20110524144845.E825C615E1@it-su-helpdesk.ussu.susx.ac.uk>
May 24 15:48:45 it-su-helpdesk postfix/qmgr[1327]: E825C615E1: from=<>, size=2323, nrcpt=1 (queue active)
May 24 15:48:45 it-su-helpdesk postfix/bounce[1436]: D3625615E0: sender non-delivery notification: E825C615E1
May 24 15:48:45 it-su-helpdesk postfix/qmgr[1327]: D3625615E0: removed
May 24 15:48:45 it-su-helpdesk postfix/local[1435]: E825C615E1: to=<root@it-su-helpdesk.ussu.sussex.ac.uk>, relay=local, delay=0.04, delays=0.01/0/0/0.03, dsn=2.0.0, status=sent (delivered to mailbox)
May 24 15:48:45 it-su-helpdesk postfix/qmgr[1327]: E825C615E1: removed
May 24 16:04:07 it-su-helpdesk postfix/master[1323]: terminating on signal 15
May 24 16:04:08 it-su-helpdesk postfix/master[1558]: daemon started -- version 2.8.2, configuration /etc/postfix
May 24 16:04:19 it-su-helpdesk postfix/pickup[1561]: F2C95615E0: uid=0 from=<root>
May 24 16:04:20 it-su-helpdesk postfix/cleanup[1567]: F2C95615E0: message-id=<20110524150419.F2C95615E0@it-su-helpdesk.ussu.susx.ac.uk>
May 24 16:04:20 it-su-helpdesk postfix/qmgr[1562]: F2C95615E0: from=<root@it-su-helpdesk.ussu.sussex.ac.uk>, size=391, nrcpt=1 (queue active)
May 24 16:04:20 it-su-helpdesk postfix/local[1569]: F2C95615E0: to=<h.d.yousif@sussex.ac.uk>, relay=local, delay=0.05, delays=0.03/0.01/0/0.01, dsn=5.1.1, status=bounced (unknown user: "h.d.yousif")
May 24 16:04:20 it-su-helpdesk postfix/cleanup[1567]: 06C03615E1: message-id=<20110524150420.06C03615E1@it-su-helpdesk.ussu.susx.ac.uk>
May 24 16:04:20 it-su-helpdesk postfix/qmgr[1562]: 06C03615E1: from=<>, size=2327, nrcpt=1 (queue active)
May 24 16:04:20 it-su-helpdesk postfix/bounce[1570]: F2C95615E0: sender non-delivery notification: 06C03615E1
May 24 16:04:20 it-su-helpdesk postfix/qmgr[1562]: F2C95615E0: removed
May 24 16:04:20 it-su-helpdesk postfix/local[1569]: 06C03615E1: to=<root@it-su-helpdesk.ussu.sussex.ac.uk>, relay=local, delay=0.01, delays=0.01/0/0/0, dsn=2.0.0, status=sent (delivered to mailbox)
May 24 16:04:20 it-su-helpdesk postfix/qmgr[1562]: 06C03615E1: removed