sendmail 帐户问题

wuguang1023

[root@lab mail]# newaliases
WARNING: local host name (lab) is not qualified; see cf/README: WHO AM I?
/etc/mail/aliases: line 2: root... Warning: duplicate alias name root
/etc/mail/aliases: 2 aliases, longest 6 bytes, 20 bytes total
如上报错。。。。
#vi devtools/Site/site.config.m4
APPENDEF(`confENVDEF',`-DSASL=2')
APPENDDEF(`conf_sendmail_LIBS',`-lsasl2')
define(`confDOMAIN_NAME', `$w.$m')dnl
。。。。。。。。。。。。。
请高手帮忙呀