The best alternatives to Snapmail are Dmail, sup3rS3cretMes5age, and Cryptgeon. If these 3 options don't work for you, we've listed a few more alternatives below.
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With big email providers you don't own your data! - They can sell it to the highest bidder. - They can keep it when you close your account. - They can choose to stop the service any time and your data is lost. Get your privacy back with DMAILS
Burner Note is a free, ad-free and open sourced service for sending secure text based notes that are completely erased from existence once they've been read. The product utilises AES-256-CBC encryption signed with a message authentication code (MAC).