help me with send mail

["Erith Pérez Gallardo" <erith facinfo unica cu>]

I have a sendmail working but it don't recive from my central Mail Hub. 
My server can send mail using the Mail Hub but it can't recive form it.

If Any body can helpme. I will be happy.

My  configuration is this
 
OS Type OSTYPE(`linux')  
Define define(`confDEF_USER_ID',``8:12'')dnl  
Undefine undefine(`UUCP_RELAY')dnl  
Undefine undefine(`BITNET_RELAY')dnl  
Define define(`confAUTO_REBUILD')dnl  
Define define(`confTO_CONNECT', `1m')dnl  
Define define(`confTRY_NULL_MX_LIST',true)dnl  
Define define(`confDONT_PROBE_INTERFACES',true)dnl  
Define define(`PROCMAIL_MAILER_PATH',`/usr/bin/procmail')dnl  
Define define(`ALIAS_FILE', `/etc/aliases')dnl  
Define define(`UUCP_MAILER_MAX', `2000000')dnl  
Define define(`confUSERDB_SPEC', `/etc/mail/userdb.db')dnl  
Define define(`confPRIVACY_FLAGS', 
`authwarnings,novrfy,noexpn,restrictqrun')dnl  
Define define(`confAUTH_OPTIONS', `A')dnl  
Feature FEATURE(`no_default_msa',`dnl')dnl  
Feature FEATURE(`smrsh',`/usr/sbin/smrsh')dnl  
Feature FEATURE(`mailertable',`hash -o /etc/mail/mailertable.db')dnl  
Feature FEATURE(`virtusertable',`hash -o /etc/mail/virtusertable.db')dnl  
Feature FEATURE(redirect)dnl  
Feature FEATURE(always_add_domain)dnl  
Feature FEATURE(use_cw_file)dnl  
Feature FEATURE(use_ct_file)dnl  
Feature FEATURE(local_procmail,`',`procmail -t -Y -a $h -d $u')dnl  
Feature FEATURE(`access_db',`hash -o /etc/mail/access.db')dnl  
Feature FEATURE(`blacklist_recipients')dnl  
Feature FEATURE(`accept_unresolvable_domains')dnl  
Mailer MAILER(smtp)dnl  
Mailer MAILER(procmail)dnl