Portable Mail

Copy local Downloads folder

You can copy your Dowloads folder to Portable Mail after then you have copied your local preferences. So, if you wish to use your Downloads files you already have, run Portable Mail on your system and click Copy when prompt.

Copy

This will copy your ~/Library/Mail Downloads files to P_Mail Downloads folder.
P_Mail Downloads folder will be at the same level of Portable Mail app.
Don't change default name and location of P_Mail Downloads folder.
A directory selection window allow you to select your custom Mail Downloads folder.

A confirm window will show downloads folder size and space available. You can confirm or cancel.



If copy will take some time a task bar give you a feedback.



A pop up window confirm the end of Downloads folder copy or advice if an error occurred.



You will prompt when Downloads folder size is greater than space available on your drive. This will not copy existing Mail Downloads folder.

Don't Copy

This will allow you to copy your Downloads folder next time you will open Portable Mail.

Never

This will never ask you to copy Downloads folder to Portable Mail. Remove file "Portable Mail.app/Contents/Resources/CopyDL_Done" to copy Downloads folder again.