It would be great to have an device/app specific password; otherwise one has to choose between security (using solely 2fa in the browser) and practicality (using email clients on laptop and phone).
Deactivate 2FA. Connect via an email client to your mailbox account and then reactivate 2FA (working on Evolution as far as I can see).
If you go on Settings --> One Time Passwords there's an option with a drop-down menu called "OTP security level".
You can choose to use OTP for web access and regular password for email clients and other things that don't support OTP.
It will be good to have app-specific passwords, but this method is pretty secure IMHO.
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