From my experiences, this is a normal result of the DST change.

I haven't confirmed anywhere, but I suspect that Windows stores the File timestamp in GMT and when displaying it,...

Actually, you can run SQL Mail without Exchange under the following conditions (I've done it):

You have to use Outlook 2000.   No other version will work.

You have to configure Outlook when...

Yes, you can use SQL Server Mail without Exchange: I've done it. We don't have Exchange at my company, we use Sun iPlanet for email, with some accounts having POP/SMTP...

As I interpret it, you want to move all SQL files from your current N drive to your O drive and then swap drive letters.

I have done this before, although...