Am 26.01.2014 20:56, schrieb Chris Murphy: >> What about mail application change the format of the mail folders ? > > Good question because I experienced this recently. So the way Apple does this > on OS X with Mail, > there is no such thing as a mail format change during the life of a major OS > version. So major > OS versions are 10.7, 10.8, and now 10.9
and you have a warranty for that? > So it's impossible the mail format would change between 10.7.1 and 10.7.2 in > such a way that 10.7.2 > mail could not be read by the 10.7.1 or 10.7.0 mail application and you have a warranty for that? no you do *not* > I can upgrade and downgrade all along 10.7.x and the file format is the same. you *think* that > Recently I learned that there are two mail formats. There's the every day > used format that > is apparently completely incompatible between major versions of Mail > I can export 10.8 Mail in this format, and 10.7 Mail can also read it. And > even this pissed > me off as well as several thousand users (at least) based on Apple's > community forums on the > subject because most of us expect to be able to directly import 10.7 mail > into 10.8 Mail. where you prove that what you said above is wrong > Well, the mail servers regularly get updated by the company I pay for such > things, and I've > never noticed the change. It uses IMAP so I don't think the server even > cares, its just a bunch > of folders and files blabla - nobody talks about the mailserver the topic is *internal* data of *local* software you may have luck and nothing happens with bad luck you even won't realize that there are new mails you never face because of happy upgrade/downgrade internal caches are accessed with *undefined bahvior* any software on that planet will recognize upgrades and convert *internal* data but nobody will give you a warranty how the same software behaves after a downgrade yes, in most cases nothing bad happens in rare cases you recognize the problem and find a solution in some cases you even don't recognize that internal things are slightly going wrong
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