text: #!/usr/bin/env python
  # coding: utf-8
  
  #===================================================
  import sendgrid
  from sendgrid.helpers.mail import *
  #===================================================
  
  class SGMail(object):
  
      def __init__(self, apikey, from_email, to_email):
          self.sg = sendgrid.SendGridAPIClient(apikey=apikey)
          self.from_email = Email(from_email)
          self.to_email = Email(to_email)
  
      def send_mail(self, subject, plain_content, type='text/plain'):
          content = Content(type, plain_content)
          mail = Mail(self.from_email, subject, self.to_email, content)
          response = self.sg.client.mail.send.post(request_body=mail.get())
          return response.status_code == 202
  