Postfix configuration on ubuntu | for local host mailing

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change hostname with : hostnamectl set-hostname |name you want to change to|
view hostname : hostname
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update package : sudo apt-get update
download and install postfix : sudo apt-get install postfix
to reconfigure postfix : sudo dpkg-reconfigure postfix
to access configuration file :
or with any available text editor
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for the last part | for mailing we can download and use mail command
to download command use : sudo apt-get install mailutils

command to send mails
echo "Your message" | mail -s "Your subject" your recipient

[olillel]

good explaination but what da hell did u do un the telnet part!! Copypaste??

[tharushapiyumal]

Why don't you speak?? This is a good video but please explain about what's going on.