Earlier quoted context omitted.
Sure, but where? There are not that much email providers that will live forever and won't change your UX and have mobile apps, and... and...
Get a domain from Gandi. $15/year and includes email service. You can either use the email directly, or forward it somewhere else so you can keep using the same email address forever even if you change providers.
Mailbox.org as of now seems to be good except that they have started to either reply to emails quite late or sometimes simply ignore it[0] and the general lack of non-German language pages across their portal [1].
[0] Maybe because they have officially stopped anything but community/forum support for paying customers in €1 and €2.5 per month plans -https://mailbox.org/en/fees-and-conditions/
[1] https://help.mailbox.org/servicedesk/customer/user/login?des... Yes, one can guess or use Google translate but there's no translated page for this.