Yes. With a service that uses standard IMAP/POP3 protocols you can always download your entire mailbox and upload it somewhere else. If it’s dependent of their apps and they don’t provide full download as a feature, you’re stuck.
Of course if you’re the type that doesn’t keep much email on the server it wouldn’t affect you that much but then the whole encryption thing makes even less sense.
Yes. With a service that uses standard IMAP/POP3 protocols you can always download your entire mailbox and upload it somewhere else. If it’s dependent of their apps and they don’t provide full download as a feature, you’re stuck.
Of course if you’re the type that doesn’t keep much email on the server it wouldn’t affect you that much but then the whole encryption thing makes even less sense.