The counts of total messages and unread messages in the inbox of every account differs from what is shown via the host web interface.
If all your accounts are set to Sync “All Time” and all the server mail messages are synced locally 100% which you can check in Show Operations via clicking the drop-down on the right of Refresh, then if you are using eg: V10 , that red number "by default next to Inbox is not Unread count, but “number of recently received messages”. So that might be why you are seeing differences.
You can change that to display Unread rather than Recent via the post below from @RobinW
https://forum.emclient.com/t/how-to-remove-red-new-email-notice-i-e-1-on-new-update/98957/3
“Under Settings / Mail / Categories” there are three sections: General, Display and Custom Rules. Under the Display section, there is an option to enable/disable “Show number of recent messages” and separately “Show number of unread messages” as in Robins following thread post screenshot.
