I’m a huge fan of Zimbra, dedicated all-in-one mail solution using your favorite software under the hood that doesn’t take much knowledge to administer. Plus y

I’m a huge fan of Zimbra, dedicated all-in-one mail solution using your favorite software under the hood that doesn’t take much knowledge to administer. Plus you have support you can fall back on. Downsides: ui starting to show its age. No container support.