ぐふっ

yum install sendmail-cf

vi /etc/mail/sendmail.mc
コメントアウト
dnl DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')

m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf
cd /etc/mail
make

vi /etc/mail/access
localhost.localdomain RELAY
localhost RELAY
127.0.0.1 RELAY
192.168.1 RELAY ←追加

vi /etc/hosts.allow
#sendmail:192.168.1.0/255.255.255.0
sendmail:ALL

cd /etc/mail
make

service sendmail restart

yum install dovecot
ntsysv
vi /etc/dovecot.conf
mail_location = mbox:~/mail:INBOX=/var/mail/%u
service dovecot start

vi /etc/aliases
newaliases