119 – Hide recipients

Summary

The BCC field must be used instead of the TO field when sending bulk emails.

Description

Using the BCC field helps to protect the privacy and confidentiality of recipients in bulk email communications. When email addresses are added to the TO field, all recipients can see each other's email addresses. BCC field conceals the list of recipients, making it a more privacy focused option.

Supported In

Advanced: True

References

• CWE-200. Exposure of sensitive information to an unauthorized actor
• GDPR-5_1f. Principles relating to processing of personal data

Last updated

2024/01/18