Use Sinch MessageMedia with Letterhead
Newsletter Monetization
Sinch MessageMedia & Letterhead integration
About Sinch MessageMedia
MessageMedia's business text messaging portal and SMS gateway help you create engaging mobile experiences that your customers will love.
About Letterhead
Letterhead is a suite of tools that help you create a great email newsletter, and monetize it through advertising and sponsorships.
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The easiest way to send engaging messages to your customers