class Mail::Message

def from=( val )

mail.from #=> ['mikel@test.lindsaar.net', 'ada@test.lindsaar.net']
mail.from = 'Mikel , ada@test.lindsaar.net'
mail.from #=> ['mikel@test.lindsaar.net']
mail.from = 'Mikel '

Example:

Sets the From value of the mail object, pass in a string of the field
def from=( val )
  header[:from] = val
end