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This document is a WORK IN PROGRESS.
This is just a quick personal cheat sheet: treat its contents with caution!



Table of contents


sendmail is needed ? Not if using external SMTP.

sudo dnf install mailx

sudo yum install mailx

sudo apt install s-nail

Then (optional) :

# ln -s /usr/bin/s-nail /usr/bin/mail

sudo pacman -S s-nail

sudo ufw allow 25/tcp (open smtp port, 25 by default)

On CentOS?

On Gentoo?

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