Reading your own macro, one quickly sees:
So your macro deletes the file after it has been mailed. Right? It's your macro so it's doing what you've allowed.
Now, look for the line of code that deletes your file and remove that, then it won't be deleted. That's pretty easy to spot, too, since it's commented. 
Also, since you want to KEEP the file, perhaps you want to save it in a more exact location instead of letting the macro hide it in a TEMP folder. So maybe change this to something you want:
Like:
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