How I solved my Exim4 down problem

Hi there, I am really enjoying Hestia and getting to know my way around the GUI. Having an extensive WP-CLI makes it even more powerful.
I finally got the sites running the way I want. This is without doubt the most powerful, time efficient and well thought out web control panel I have seen, and I go back to the days of cPanel in the early 1990s.

So everything is perfect and I’m only involved with Wordpress, Drupal and Joomla site, but I want to experiment with mail, which is the next phase. But I see the exim4 is down.

I tried restarting but it was no go
sudo systemctl restart exim4
Then I checked

I could not find the exim4 log, and since I had no email installed, I decided to do

sudo dpkg-reconfigure exim4-config

That’s it, bad sender address “MAIN_AV_SCAN_MESSAGE” setting cannot be defined and that the new configfile /var/lib/exim4/config.autogenerated is invalid.

sudo update-exim4.conf
restart and checked the status.

Hope it helps someone else, and maybe you can improve on my approaxh… feel free.

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