Using Blind Copy Feature Protects PII
Published, September 15, 2014
Personally identifiable information (PII) should only be shared or accessible to those with a need to know. PII includes government email addresses as well as personal email addresses. A best practice when sending emails to a large number of individuals is to use the BCC (blind copy) feature. ...
This practice prevents recipients from seeing the personal email addresses of the other recipients and also prevents a large list of government email addresses from being forwarded outside the .mil domain, making them susceptible to phishing. This best practice can also be applied when sending emails from your home email account.
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