sendmail 데몬 설치
sudo apt-get install sendmail
설정 변경
sudo nano /etc/mail/sendmail.mc
FEATURE(`no_default_msa')dnl
dnl DAEMON_OPTIONS(`Family=inet6, Name=MTA-v6, Port=smtp, Addr=::1')dnl
DAEMON_OPTIONS(`Family=inet, Name=MTA-v4, Port=smtp, Addr=127.0.0.1')dnl
dnl DAEMON_OPTIONS(`Family=inet6, Name=MSP-v6, Port=submission, M=Ea, Addr=::1')dnl
DAEMON_OPTIONS(`Family=inet, Name=MSP-v4, Port=submission, M=Ea, Addr=127.0.0.1')dnl
127.0.0.1을 0.0.0.0 으로 변경
cd /etc/mail/
sudo m4 sendmail.mc
config 파일 생성
sudo nano /etc/mail/access
아래 내용 추가
192.168.0 RELAY
sendmail 데몬 재시작
sudo service sendmail restart
* Restarting Mail Transport Agent (MTA) sendmail [ OK ]
메일 전송 테스트
telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 kdn.ktguide.com ESMTP Sendmail 8.14.4/8.14.4/Debian-2ubuntu2.1; Fri, 2 Oct 2015 23:35:31 -0700; (No UCE/UBE) logging access from: localhost(OK)-localhost [127.0.0.1]
HELO localhost
250 kdn.ktguide.com Hello localhost [127.0.0.1], pleased to meet you
mail from:karlmicro@gmail.com
250 2.1.0 karlmicro@gmail.com... Sender ok
rcpt to:siseong@gmail.com
250 2.1.5 siseong@gmail.com... Recipient ok
data
354 Enter mail, end with "." on a line by itself
test mail 1234
.
250 2.0.0 t936ZV1j013678 Message accepted for delivery
quit
이메일 전송 확인합니다.
스팸 메일로 분류되어 스팸함에 들어가 있을 것입니다.
