Does ProtonMail Allow Scripting?


Angela Bailey

ProtonMail is a popular secure email service that puts a strong emphasis on privacy and security. With its end-to-end encryption and anonymous sign-up process, many users are attracted to ProtonMail for its commitment to protecting their sensitive information.

However, one question that often arises is whether ProtonMail allows scripting. Let’s dive into this topic and find out.

Understanding Scripting

Scripting refers to the ability to run code, typically written in programming languages like JavaScript, within a web page or email client. This functionality allows for dynamic and interactive content, such as forms with real-time validation or interactive elements that respond to user actions.

ProtonMail’s Approach

Due to its focus on security and privacy, ProtonMail takes a cautious approach when it comes to allowing scripting within emails. By default, ProtonMail disables all forms of scripting for incoming messages. This measure helps prevent potential security risks associated with malicious code or tracking mechanisms embedded in emails.

Important note: Although ProtonMail does not allow scripting within emails, it does support HTML markup for formatting purposes. This means you can still use HTML tags like <b>, <i>, <ul>, <li>, and others to style your email content.

Potential Risks of Scripting

The decision to disable scripting in ProtonMail comes from a security standpoint. Scripting can introduce various risks if not properly controlled:

  • Cross-Site Scripting (XSS): Without proper measures in place, malicious scripts could be injected into emails, potentially leading to unauthorized access, data theft, or other security breaches.
  • Phishing Attacks: Scripting could be used to create realistic-looking login forms or fake websites within emails, tricking users into disclosing their sensitive information unwittingly.

Enhancing Security and Privacy

By disabling scripting, ProtonMail ensures a higher level of security for its users. However, it’s important to note that this does not mean ProtonMail is invulnerable to all types of attacks. It’s still crucial for users to exercise caution when opening emails from unknown or suspicious sources and avoid clicking on suspicious links.


In conclusion, ProtonMail does not allow scripting within emails as a security measure. This decision helps protect users from potential risks associated with malicious code and phishing attacks. While you can’t run scripts directly in ProtonMail, you can still use HTML tags for formatting purposes to make your emails visually engaging.

If you have any further questions about ProtonMail’s features or security practices, we recommend visiting their official website or reaching out to their support team for more information.

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