KodaMail

Track email opens, links clicked, attachment downloads, desktop notifications. Schedule and track email. Encrypt email and files. See when your email was read, links clicked and attachments downloaded. Desktop notification of read emails or links clicked, can be switched off on a thread by thread basis. Password protect attachments to ensure only the recipient can download. Delete or disable attachment downloads. Schedule email delivery using Gmail scheduler with tracking (optional). Enables encryption and decryption of email and files. using either Public/Private key or AES 256 encryption. Uses OpenPGP.js from https://openpgpjs.org so encryption is compatible with other PGP providers such as Proton mail, mailvelope, GnuPG for Windows etc. Encrypt and decrypt images, pdf, zip files and many other file types. Simple admin allows you to manage and create, download or import keys. All encryption/decryption is entirely in the browser and you can easily save your keys wherever you want. Emails can be signed with your private key and the recipient can verify the content using your public key. More information at: https://kodamail.com/faq