I have several non-gmail email addresses and I tried to use k9mail for all of them but eventually just gave up because I'd get that 'sync disabled' error and fi

I have several non-gmail email addresses and I tried to use k9mail for all of them but eventually just gave up because I'd get that 'sync disabled' error and find out I'd missed out on a week's worth of messages. k9mail is a dumpster fire in my experience.