Discover how to switch from Big Tech mail (e.g. Gmail) to European email providers like Proton Mail and Infomaniak. Privacy-focused, secure, and ready for European consumers.
It’s not a particularly nice way of doing things, but worst case: if you can add both your old and new accounts in, say, Thunderbird, you can literally drag your emails from your old mailbox and drop them into your new one.
A better option might be to see if whatever software/host you’re looking at supports gathering email using IMAP - that way it can migrate all your existing emails autonomously and periodically scrape your old mailbox for new ones.
It’s not a particularly nice way of doing things, but worst case: if you can add both your old and new accounts in, say, Thunderbird, you can literally drag your emails from your old mailbox and drop them into your new one.
A better option might be to see if whatever software/host you’re looking at supports gathering email using IMAP - that way it can migrate all your existing emails autonomously and periodically scrape your old mailbox for new ones.