so here is my sendmail.mc :
define(`_USE_ETC_MAIL_')dnl
include(`/usr/share/sendmail/cf/m4/cf.m4')dnl
VERSIONID(`$Id: sendmail.mc, v 8.13.4-3sarge1 2006-03-22 22:41:17 cowboy Exp $')
OSTYPE(`debian')dnl
DOMAIN(`debian-mta')dnl
undefine(`confHOST_STATUS_DIRECTORY')dnl #DAEMON_HOSTSTATS=
INPUT_MAIL_FILTER(`spamassassin', `S=local:/var/run/sendmail/spamass.sock, F=, T=C:15m;S:4m;R:4m;E:10m')dnl
define(`confINPUT_MAIL_FILTERS', `spamassassin')dnl
define(`confMILTER_MACROS_CONNECT', `b, j, _, {daemon_name}, {if_name}, {if_addr}')dnl
FEATURE(`no_default_msa')dnl
dnl DAEMON_OPTIONS(`Family=inet6, Name=MTA-v6, Port=smtp, Addr=::1')dnl
DAEMON_OPTIONS(`Family=inet, Name=MTA-v4, Port=smtp, Addr=0.0.0.0')dnl
dnl DAEMON_OPTIONS(`Family=inet6, Name=MSP-v6, Port=submission, Addr=::1')dnl
DAEMON_OPTIONS(`Family=inet, Name=MSP-v4, Port=submission, Addr=0.0.0.0')dnl
dnl #
define(`confMAX_MESSAGE_SIZE', `5242880')
define(`PROCMAIL_MAILER_PATH', `/usr/bin/procmail')
define(`confCHECK_ALIASES', `true')dnl
define(`confPRIVACY_FLAGS',dnl
`needmailhelo,needexpnhelo,needvrfyhelo,restrictqrun,restrictexpand,nobodyreturn,authwarnings')dnl
define(`confCONNECTION_RATE_THROTTLE', `15')dnl
define(`confCONNECTION_RATE_WINDOW_SIZE',`10m')dnl
FEATURE(`access_db', , `skip')dnl
FEATURE(`greet_pause', `1000')dnl 1 seconds
FEATURE(local_procmail)
FEATURE(`delay_checks', `friend', `n')dnl
define(`confBAD_RCPT_THROTTLE',`3')dnl
FEATURE(`conncontrol', `nodelay', `terminate')dnl
FEATURE(`ratecontrol', `nodelay', `terminate')dnl
FEATURE(`virtusertable', `hash MAIL_SETTINGS_DIR/virtusertable.db')dnl
LOCAL_CONFIG
FEATURE(`masquerade_envelope')dnl
FEATURE(`allmasquerade')dnl
FEATURE(`always_add_domain')dnl
LOCAL_CONFIG
FEATURE(`use_cw_file')dnl
FEATURE(`use_ct_file')dnl
FEATURE(`redirect')dnl
FEATURE(`nouucp', `reject')dnl
MAILER_DEFINITIONS
MAILER(procmail)dnl
MAILER(smtp)dnl
LOCAL_CONFIG
thank's to your help !