After all the travails of Mail.app, I would leave it behind, not to let it touch my GMail messages again, and free up dozens of GBs disk space in the process. However, simply unchecking "Mail" under ...
I want to add an IMAP-account to Mail. Since I've used this account for many years, it contains thousands of emails and archive folders, and I really don't want to fill up my SSD with that. I ...