Use of Exclamation Causes Log-Out and Lost Message
While composing an e-mail, I find that using an exclamation mark results in a message 'do you want to leave this page' with options to leave or stay. Clicking either option results in LEAVE the page without a draft being saved. Both use of the exclamation while composing should not be a short-cut key. The click to stay or leave needs to be fixed. Also, is there an option to change the number of key strokes before a draft is automatically saved?

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There is no option to change the number of key strokes before a draft is automatically saved.