Postfix

Mini-Howto para instalar o Postfix no Linux

tar Pcvfz /root/sendmail_bkp.tgz /usr/sbin/sendmail /usr/bin/procmail /usr/bin/newaliases /usr/bin/mailq /etc/mail
cd /usr/src
wget -c http://ftp.unicamp.br/pub/postfix/official/postfix-2.3.8.tar.gz
tar xfz postfix-2.5.3.tar.gz && \
cd /usr/src/postfix-* && \
groupadd postdrop -g 96 ; groupadd postfix -g 97 ; useradd postfix -u 97 -g 97 ; echo OK && \
make && \
make install && \
cd /etc/postfix && \
echo "myhostname = `cat /etc/HOSTNAME`" >> main.cf && \
echo "mynetworks_style = subnet" >> main.cf && \
echo "alias_maps = hash:/etc/postfix/aliases" >> main.cf && \
echo "alias_database = hash:/etc/postfix/aliases" >> main.cf && \
echo "smtpd_client_restrictions =" >> main.cf && \
echo " check_client_access hash:/etc/postfix/access" >> main.cf && \
newaliases && \
postmap /etc/postfix/access

install_root: [/]
tempdir: [/usr/src/postfix-2.5.3]
config_directory: [/etc/postfix]
daemon_directory: [/usr/libexec/postfix]
command_directory: [/usr/sbin]
queue_directory: [/var/spool/postfix]
sendmail_path: [/usr/sbin/sendmail]
newaliases_path: [/usr/bin/newaliases]
mailq_path: [/usr/bin/mailq]
mail_owner: [postfix]
setgid_group: [postdrop]
html_directory: [no]
manpage_directory: [/usr/local/man]
readme_directory: [no]

postconf -m
postconf -d

echo "myhostname = mail.facepa.com.br" >> /etc/postfix/main.cf

cp /etc/mail/aliases /etc/aliases
newaliases

sendmail -bd -q15m
nmap -sT 127.0.0.1

telnet 127.0.0.1 25

Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
220 mailserver.localdomain ESMTP Postfix
quit
221 2.0.0 Bye
Connection closed by foreign host.


Para testar o seu servidor está com Relay Aberto:
telnet relay-test.mail-abuse.org

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