sendmail 메일서버 구축

- 받는 메일서버 설정

1. /etc/xinetd.d/ipop3d

>disable = no

2. # /etc/rc.d/init.d/xinetd restart

3. # netstat -nat | grep LISTEN | grep 110

4. /etc/mail/local-host-names 에 도메인 추가 후 sendmail restart

- 보내는 메일서버 설정

1. /etc/mail/sendmail.cf
#O DaemonPortOptions=Port=smtp,Addr=127.0.0.1, Name=MTA 
> O DaemonPortOptions=Port=smtp, Name=MTA

2. # /etc/rc.d/init.d/sendmail restart
# netstat -nat | grep LISTEN | grep 25
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN

3. auth-smtp 설정
#O AuthMechanisms=GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5
> O AuthMechanisms=GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5

4.  /etc/rc.d/init.d/sendmail restart
#ps aux | grep saslauthd