I do this with my home network using FastMail. You can create App specific passwords for each service you add email notification support for. This means you don’t risk compromising your full accounts passwords. You can also put constraints on each app password, such as limiting it only to sending emails but not reading email or looking at your contacts and files. This is nice in case any of my passwords are leaked.

Same, the builtin sync between devices using WebDAV was the critical feature for me choosing Joplin over Obsidian.