SpamAssassin version 3.4.2
running on Perl version 5.28.1
Adding a white list to Spam assassin is easy by editing sudo vim /etc/spamassassin/local.cf and adding the below lines.
[url="images/2020/spamassassin/spam-local-cf.png"]images/2020/spamassassin/spam-local-cf.png
[/url]Now we can restart the spam assassin service to apply our changes
$ sudo systemctl restart spamassassin
Now verify it's running
$ sudo systemctl status spamassassin