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Save disk space by deleting copies of Mail attachments
Authored by: Andrew J Freyer on May 17, '13 08:25:47AM

@kirkmc - Mail saves the attachments for offline viewing.



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Save disk space by deleting copies of Mail attachments
Authored by: petersconsult on May 17, '13 04:33:14PM

I was going to say the same -- for IMAP connections, Mail keeps these offline so they're available without needing to re-download them each time...

Just another reason to stick with good-ol' POP...

Cheers,
Peter



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Save disk space by deleting copies of Mail attachments
Authored by: Makosuke on May 17, '13 05:52:00PM

Right--it actually makes a fair amount of sense on IMAP connections so you don't end up re-downloading large attachments repeatedly, since I'm pretty sure IMAP attachments are NOT downloaded along with the messages during a sync.

Example: I have a message with 10MB of large images attached to it in an IMAP account. With the "delete on quit" option selected, every time I view that message, if I have quit Mail since the last time, it will need to re-download those 10MB of images to display them. For someone like me, who passes a lot of images around via email (business reasons), that would be incredibly annoying--it would render Mail.app nearly unusable, in fact.

Edited on May 17, '13 05:53:09PM by Makosuke



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Save disk space by deleting copies of Mail attachments
Authored by: mousyak on May 17, '13 09:40:00PM

Not really. Your comment made me test it - I disconnected from my internet connections and test-opened a bunch of attachments. They all opened no problem, without complaining that there was no connection to the IMAP server. I quit Mail, saw them deleted from the above mentioned folder, and repeated.
Attachments are stored offline in Mail, and this folder is a duplicate location when the user decides to open the attachment...
Just my 2 cents..



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Save disk space by deleting copies of Mail attachments
Authored by: Makosuke on May 20, '13 04:03:43PM

Interesting. I stand entirely corrected, then.

I had always assumed, since when you first view an IMAP message with large image attachments you can see the image attachments queueing for download, that they were going into that folder.

This being the case, this is a very valuable tip for those short on disk space (those of us with SSDs, in particular).



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Save disk space by deleting copies of Mail attachments
Authored by: Strod on May 20, '13 07:06:28PM

Actually you were partially right. The thing is that most email clients have an OPTION that allows you to keep copies of messages with or without attachments for offline viewing.

For your desktop or laptop computer turning this option on makes a LOT of sense, and I believe it is the default for Apple Mail and Outlook.

For other mobile devices like smartphones and tablets this option does NOT make a lot of sense so many mail clients don't even include it.



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