quicktrick

## Postfix-SASL-client.md

      
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                moisseev
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              October 28, 2022 09:15
            
              
                Replacing the default FreeBSD system mailer Sendmail with Postfix using SMTP AUTH, acting as mail client
              
          
    Replacing the default FreeBSD system mailer Sendmail with Postfix using SMTP AUTH, acting as mail client

Replacing Sendmail with Postfix

# pkg install postfix-sasl¹
Would you like to activate Postfix in /etc/mail/mailer.conf [n]? y²
# service sendmail stop

  
## replace-centos6x-iptables
# compile iptables from source and install to /usr/local
mkdir -p /tmp/iptables
wget "http://www.netfilter.org/projects/iptables/files/iptables-1.4.21.tar.bz2" -qO- | tar --strip-components=1 -C /tmp/iptables -xvj
cd /tmp/iptables
./configure
make
make install

# set alternatives
sudo alternatives --install /sbin/iptables iptables.x86_64 /usr/local/sbin/iptables 100 \