Encrypt any email with CipherMail

Encrypt any email message using the S/MIME and certificates technology with CipherMail
What is Encrypt any email with CipherMail?
'Encrypt any email with CipherMail' is a Chrome extension that offers enhanced email security using S/MIME 3.1 encryption. With features such as automatic certificate generation for each contact, compatibility with existing S/MIME clients, protection from CSRF attacks and more, CipherMail stands out as an effective communication security tool. With this extension, both your message and attachments are encrypted, ensuring your email communications are confidential and secure.

Extension stats

Users: 3,000+
Rating: 3.83 (6)
Version: 1.9.2 (Last updated: 2022-10-15)
Creation date: 2020-02-27
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 3
Size: 699.39K

Other platforms

Not available on Firefox
Not available on Edge
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Extension summary

Analyze keywords

Send and receive encrypted email messages using the S/MIME technology. CypherMail allows to exchange encrypted email messages. The encryption is S/MIME standard, the solution recommended by the security experts, and it is based on certificates. The certificates are generated on the fly when an email address is used. They are issued by an internal PKI that generated certificates with emailProtection key extended usage.

The main CypherMail features are:

  • S/MIME 3.1 (X.509, RFC 3280) email encryption.
  • Compatible with existing S/MIME clients (like Outlook, Thunderbird etc.).
  • Certificates for S/MIME email encryption are automatically generated for each contact.
  • PKI included in the solution to issue the certificates.
  • Modern user interface, with drag’n’drop of files, progress bar for file uploading, browser notifications, embed images into messages, keyboard shortcuts, multi-language mails, ..
  • Both message and attachments are encrypted.
  • Text plain and HTML email support. Both formats are encrypted.
  • Contact management.
  • Autocompletion of e-mail addresses.
  • Token-based security engine is used for protection from CSRF attacks.
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User reviews

Niekompatybilny stary serwer, stary email encryption i niebezpieczna wersja S/MIME clients Feedback Outlook dla Polski Inbox Gmail Outlook 2013 Google Net Framework.

Very good application to secure the email.
by Miguel Rocafort, 2018-03-31
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Extension safety

Risk impact

Encrypt any email with CipherMail is safe to use. It does not request any sensitive permissions.

Risk likelihood

Encrypt any email with CipherMail has earned a fairly good reputation and likely can be trusted.

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