I run about six IMAP accounts on two different OS X machines and one iOS device.
Several of the mail accounts are under different domains, but all hosted on the same 3rd party mail provider so presumably running identical IMAP and SMTP servers. Also, the settings on the OS X mail clients in
Mail/preferences/accounts look identical, except for the account-specific settings like
Nonetheless, still I have a several undesired behaviors, different both between accounts and between clients, which I can't seem to fix.
Prior to El Capitan I would have looked for causes of these differing mail account behaviors in
~/Library/Mail/V2/MailData/Accounts.plist. That file is still there, but it seems to be an unused, outdated leftover from an OS upgrade, as it shows no current mail account settings.
Meanwhile, looking at the several plist files in both
~/Library/Mail/V3, I find none of the mail account settings I want to see.
So in El Cap, where does one find the equivalent mail account settings data that used to be in
(OSX 10.11.3, Mail 9.2)