Suppress "Save Draft" button in MFMailComposeViewController

I am using MFMailComposeViewController inside an iphone app and it works fine.

When I press the "Cancel" button, an action sheet with the options "Delete Draft" (red), "Save Draft"(white) and "Cancel"(black) is prompted.

I have two questions:

Is it possible to suppress the "Save Draft" button? I control programmatically the flow of information and will possibly loose the control, if a mail is pushed into the "Drafts" folder.

Is it possible to change the colors of the appearing buttons?

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this not feasible because its functionality is default MFMailCompose class.So you can not change it.

You can change only navigation bar and buttons tint color

MFMailComposeViewController *controller = [[MFMailComposeViewController alloc] init];
[[controller navigationBar] setTintColor:[UIColor colorWithRed:0.36 green:0.09 blue:0.39 alpha:1.00]];

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