require 'aws-sdk-ses'

ses = Aws::SES::Client.new(:region => 'us-east-1')

resp = ses.send_email(
    {
	 :destination => { :to_addresses => [...]},
	 :message => {
	 :body => {
	     :html => {:charset => "utf-8", :data => "Prueba <b>HI</b>"},
	     :text => {:charset => "utf-8", :data => "Prueba plain"},
	  },
	  :subject => {:charset => "utf-8", :data => "Prueba API"},
	},
	:source => "support@vlex.com",
	:configuration_set_name => "EmailMonitoring",
})