gistfile1.rb

require 'net/smtp'
 
def sendEmail(to, subject, message)
    to=to.to_s()
    to.gsub!(" ","")
    to.gsub!(";",",")
    smtp = Net::SMTP.new('smtp.gmail.com', 587)
    smtp.enable_starttls
    smtp.start("smtp.gmail.com","myemail@gmail.com","password",:login)
    to.split(",").each {|email|
      emailMessage = "From: myemail <myemail@gmail.com>
                    To: <#{email.to_s()}>
                     Subject: #{subject.to_s()}
                     Content-Type: text/html;
 
                    #{message.to_s()}
                   "
      smtp.send_message(emailMessage.to_s(),"myemail@gmail.com", email.to_s())
    }
end
 

t = Thread.new do
  sendEmail("myemail@gmail.com","mysubject","mybody")
end
 
while(t.alive?)
end