ruby 1.9.1p376 (2009-12-07 revision 26041) [i386-mswin32] ruby 1.9.1p129 (2009-05-12 revision 23412) [i386-freebsd7] mswin32版もfreebsd7版も同じ状況。 require 'kconv' require 'net/smtp' class Mail attr_accessor :to, :from, :subject, :body …