Closing the e-mail app is the right way to go[0]. There's no need for it to be open when you're not reading/writing e-mails. The mail gets stored on a mail server anyway.
It's a funny thing. The habit of having your mail client open to get notifications sort of establishes itself in you, but it's very hard to kick. I've managed to do so, and I'm less stressed because of it.
[0] - on desktops. On mobile the equivalent would be to disable background syncing for the e-mail app.
It's a funny thing. The habit of having your mail client open to get notifications sort of establishes itself in you, but it's very hard to kick. I've managed to do so, and I'm less stressed because of it.
[0] - on desktops. On mobile the equivalent would be to disable background syncing for the e-mail app.