gmail.inbox.find(:unread).each do |mail|
    mail_subject = mail.subject

    mail_subject = mail_subject.encode('UTF-8', invalid: :replace, undef: :replace)

    mail_body = mail.text_part.body.decoded

    mail_body = mail_body.encode('UTF-8', invalid: :replace, undef: :replace)

    mail_sender = mail.from.last.mailbox + "@" + mail.from.last.host
end