class Mail::EnvelopeFromElement

def address 

def address
  @address
end

def date_time 

def date_time
  @date_time
end

def formatted_date_time

use of UTC precludes the need for a timezone indicator);
traditional UNIX 'ctime' output sans timezone (note that the
was originally received, conformant with the syntax of the
a timestamp indicating the UTC date and time when the message
RFC 4155: 
def formatted_date_time
  if @date_time.respond_to?(:ctime)
    @date_time.ctime
  else
    @date_time.strftime '%a %b %e %T %Y'
  end
end

def initialize( string ) 

def initialize( string )
  @envelope_from = Mail::Parsers::EnvelopeFromParser.new.parse(string)
  @address = @envelope_from.address
  @date_time = ::DateTime.parse(@envelope_from.ctime_date)
end

def to_s 

def to_s
  "#{@address} #{formatted_date_time}"
end