class Mail::ResentDateField

def decoded
  do_decode
end

def encoded
  do_encode(CAPITALIZED_FIELD)
end

def initialize(value = nil, charset = 'utf-8')
  self.charset = charset
  if value.blank?
    value = ::DateTime.now.strftime('%a, %d %b %Y %H:%M:%S %z')
  else
    value = strip_field(FIELD_NAME, value)
    value = ::DateTime.parse(value.to_s).strftime('%a, %d %b %Y %H:%M:%S %z')
  end
  super(CAPITALIZED_FIELD, value, charset)
  self
end