Pb queue de message sur postfix

Bonjour à tous.

Tout est dans le sujet.
En effet, je ne sais pas quelle ligne faut il modifier dans le main.cf pour diminuer ce temps car mes mails ne partent toujours pas au bout de 15 minutes et je suis obligé de forcer l'envoi avec l'option flush mail queue de webmin.



Voici le résultat du postconf -n:


alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
allow_percent_hack = no
allow_untrusted_routing = yes
append_at_myorigin = no
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
command_time_limit = 300s
config_directory = /etc/postfix
daemon_timeout = 30s
defer_transports = smtp
ignore_mx_lookup_error = yes
ipc_timeout = 30s
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
minimal_backoff_time = 30s
mydomain = ALTA.interne
myhostname = intranet.ALTA.interne
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.2.0/24 193.252.22.0/24
queue_run_delay = 30s
readme_directory = no
recipient_canonical_maps = hash:/etc/postfix/recipient_canonical
recipient_delimiter = +
relayhost = [smtp.orange.fr]
sender_canonical_maps = hash:/etc/postfix/sender_canonical
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_security_level = may
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes
swap_bangpath = no

Et voila le master.cf sans les commentaiers:


#
smtp inet n - - - - smtpd
pickup fifo n - - 60 1 pickup
cleanup unix n - - - 0 cleanup
qmgr fifo n - n 300 1 qmgr
#qmgr fifo n - - 300 1 oqmgr
tlsmgr unix - - - 1000? 1 tlsmgr
rewrite unix - - - - - trivial-rewrite
bounce unix - - - - 0 bounce
defer unix - - - - 0 bounce
trace unix - - - - 0 bounce
verify unix - - - - 1 verify
flush unix n - - 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - - - - smtp

relay unix - - - - - smtp
-o smtp_fallback_relay=

showq unix n - - - - showq
error unix - - - - - error
retry unix - - - - - error
discard unix - - - - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - - - - lmtp
anvil unix - - - - 1 anvil
scache unix - - - - 1 scache

maildrop unix - n n - - pipe
flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}

uucp unix - n n - - pipe
flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)

ifmail unix - n n - - pipe
flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp unix - n n - - pipe
flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
scalemail-backend unix - n n - 2 pipe
flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension}
mailman unix - n n - - pipe
flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
${nexthop} ${user}



J'espère que vous avez une solution pour m'aider.