@jwildeboer I was going through your blog series on emails, there you have mentioned about postfix, dovecot and fail2ban. I was wondering what are you using for spam and virus filtering?
Inkscape for vector icons, Gimp for raster, Krita if they prefer a "painting" style workflow.
But... If they have no experience the best option is to find a CC licensed icon. That will be quicker than learning how to use the tools. Pixabay is pretty good for that.
Finally, plenty of small artists will take paid-for commissions.
I got reply from proton mail that it’s not possible to send automated emails using any programming API using proton mail. Is there any other #privacy respecting email provider which allows. What are other options?