Last night my email account stopped receiving emails from my server. It has happened before - I think with the older version - and I just edited the account settings in K9 and it worked again. This time it did not. The emails work fine when using Thunderbird on my PC.
The email log server sees the logins from K9 and reports the number of emails on that system but nothing downloads.
I was going to delete the account and re-enter it but the messages being held on the tablet will be deleted so that is not an option.
This is a log file report from the last few minutes. It shows there are 21 emails waiting to be delivered but K9 does not want them. I use Hmailserver.