Is there a mobile email client without data caching?

Question

Android

Good afternoon. Tell me, please, has anyone heard of an android / ios mail client that does not save emails in the cache by default? That is, you need a mail client that, each time it is opened, will load the headers of the last letters for 1-3 days from scratch (exchange or imap protocol) and clear the downloaded data when closing.

Answer 1

so there is a refresh to
clear, alas, no, set the tasker to clear the cache