5
How to attach a calendar event to a mail?
(slrpnk.net)
Thunderbird is the leading free and open-source email, calendaring, newsfeed, and chat client with more than 20 million active monthly users across Windows, macOS, and Linux. One of Thunderbird's core principles is the use and promotion of open and decentralized standards.
This is an unofficial forum for Mozilla Thunderbird and feel free to join and discuss
Interesting, where do you do that? In the Calendar event edit window?
Yup. There's a tab called attendees. Just add people there by right clicking and make sure notify attendees is checked.