Hi Alexander, OK this after reboot, and of course connected to my ISP. My ISP gives me DNS automatically. > you say the queuing only happens after a reboot of your host. You can > run right after a boot following command: > > echo '/map host fcomfrench.com.' | sendmail -bt -d8.8 Here it is : [root@P4 root]# echo '/map host fcomfrench.com.' | sendmail -bt -d8.8 ADDRESS TEST MODE (ruleset 3 NOT automatically invoked) Enter <ruleset> <address> > map_lookup: host (fcomfrench.com.) dns_getcanonname(fcomfrench.com., trymx=1) dns_getcanonname: trying fcomfrench.com. (AAAA) NO: errno=0, h_errno=4 dns_getcanonname: trying fcomfrench.com. (A) YES dns_getcanonname: fcomfrench.com returns fcomfrench.com. (0) > It checks for the name lookup. Please paste it's output along with the > requested output of "sendmail -bt -d0.12 < /dev/null". Here it is : [root@P4 root]# sendmail -bt -d0.12 < /dev/null.8 Version 8.12.11 Compiled with: DNSMAP HESIOD HES_GETMAILHOST LDAPMAP LOG MAP_REGEX MATCHGECOS MILTER MIME7TO8 MIME8TO7 NAMED_BIND NETINET NETINET6 NETUNIX NEWDB NIS PIPELINING SASLv2 SCANF STARTTLS TCPWRAPPERS USERDB USE_LDAP_INIT OS Defines: ADDRCONFIG_IS_BROKEN HASFCHOWN HASFCHMOD HASFLOCK HASGETDTABLESIZE HASINITGROUPS HASLSTAT HASNICE HASRANDOM HASRRESVPORT HASSETREGID HASSETREUID HASSETRLIMIT HASSETSID HASSETVBUF HASURANDOMDEV HASSTRERROR HASUNAME HASUNSETENV HASWAITPID IDENTPROTO NEEDSGETIPNODE REQUIRES_DIR_FSYNC USE_DOUBLE_FORK USE_SIGLONGJMP Kernel symbols: /boot/vmlinux Conf file: /etc/mail/submit.cf (default for MSP) Conf file: /etc/mail/sendmail.cf (default for MTA) Pid file: /var/run/sendmail.pid (default) libsm Defines: SM_CONF_LDAP_MEMFREE SM_CONF_LONGLONG SM_CONF_MEMCHR SM_CONF_MSG SM_CONF_SEM SM_CONF_SIGSETJMP SM_CONF_SHM SM_CONF_SSIZE_T SM_CONF_STDDEF_H SM_CONF_SYS_CDEFS_H SM_CONF_UID_GID SM_HEAP_CHECK SM_OS=sm_os_linux SM_VA_STD Canonical name: P4.AAA UUCP nodename: P4.AAA a.k.a.: P4 a.k.a.: AAA a.k.a.: [192.168.0.1] Conf file: /etc/mail/sendmail.cf (selected) Pid file: /var/run/sendmail.pid (selected) ============ SYSTEM IDENTITY (after readcf) ============ (short domain name) $w = P4 (canonical domain name) $j = P4.AAA (subdomain name) $m = AAA (node name) $k = P4.AAA ======================================================== ADDRESS TEST MODE (ruleset 3 NOT automatically invoked) Enter <ruleset> <address> Here my 2 main config files now after slight changes but which does not fix the problem. [root@P4 root]# cat /etc/resolv.conf nameserver 203.146.237.237 nameserver 203.146.237.222 [root@P4 root]# cat /etc/hosts # Do not remove the following line, or various programs # that require network functionality will fail. 192.168.0.1 P4.AAA P4 AAA 127.0.0.1 localhost.localdomain localhos Thanks a lot, I do appreciate what you are doing here, along with Gene. Regards, Philippe Thanks a lot -- Philippe, Chiangmai, Thailand