sendmail 설치 및 설정
•
설치 및 재시작
apt install sendmail sendmail-cf
service sendmail status
service sendmail start
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sendmail 설정
cp /etc/mail/sendmail.mc /etc/mail/sendmail.mc.original
diff /etc/mail/sendmail.mc.original /etc/mail/sendmail.mc
m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf
cp /etc/mail/sendmail.cf /etc/mail/sendmail.cf.original
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서비스 재시작 및 telnet 설치
service sendmail restart
apt install telnet
메일 발송
telnet localhost 25
helo localhost
mail from: <현재 접속한 유저>@localhost
rcpt to: <메일받을 주소>
data
subject: <메일 제목>
<메일본문>
.
quit