cloudHQ · Political Text Messaging for Campaigns and Elections Remind voters to head to the polls with MailKing’s new mass text campaigns. With less than a month until Elections, get-out-the-vote efforts are mounting. How can you be more effective in your voter outreach campaigns? Try sending mass political text campaigns from your email with MailKing’s new SMS campaign feature. Studies in the 2018 election cycle proved that SMS (text message) campaigns had nearly 5x the read rate and 9x the response rate of email campaigns.