BCC stands for Blind Carbon Copy. It is a field in an email message that allows you to send a copy of the email to one or more recipients without those addresses being visible to anyone else on the email.
When you add an address to the BCC field, that recipient receives the same message as the primary To and CC recipients, but their address is hidden from everyone else. They also cannot see the addresses of other BCC recipients. This is in contrast to CC (Carbon Copy), where all recipients can see who else has been copied in.
BCC has legitimate uses: sending a mass notification without exposing the full recipient list, keeping a record copy in another system, or including a manager on a sensitive communication without making that visible to the main recipient. In a professional context, it is also worth being aware of the etiquette: BCC-ing someone on a message to a colleague, for example, can be seen as covert if discovered.
In bulk email marketing, BCC is not the mechanism used to send to multiple recipients. That is handled by your email platform’s list management and sending infrastructure. BCC is primarily relevant in direct, one-to-one or small-group email communication, and in scenarios where protecting the privacy of a recipient list is important, such as sending a notification to a group of people who may not know each other.
CC (Carbon Copy) sends a copy of the email to additional recipients and makes their addresses visible to everyone else on the email, including the primary To recipients and other CC recipients. BCC (Blind Carbon Copy) also sends a copy to additional recipients, but their addresses are hidden from everyone else. Use CC when transparency about who is included is appropriate; use BCC when you want to copy someone privately or protect the privacy of a recipient list.
In bulk email marketing, BCC is not used for list sends; that is handled by your email service provider’s sending infrastructure. In direct email, BCCing is generally acceptable when there is a clear reason, such as keeping a record copy or including someone for awareness without making that visible. Where BCC becomes ethically questionable is when it is used to secretly monitor a conversation or to share a communication with someone in a way the primary recipient would find inappropriate if they knew.
No. BCC recipients receive a copy of the message but are not included in any subsequent reply-all chains. If a BCC recipient replies, their reply goes only to the sender unless they manually add other recipients. The primary recipients are not notified that a BCC was included, so there is no way for them to include BCC recipients in their responses.
Visit E-Commerce Live! 2026 and discover the latest trends in e-commerce, AI and personalisation. Spotler will host an inspiring session.
Visit Digital Marketing Live 2026 and discover the latest trends in data, personalisation and automation. Spotler will host a session with Yelflow and Verfwinkel.nl.
Discover how Rinsma Modeplein increases customer loyalty with Spotler Activate. Join our session at the Digital Marketing Festival.
Learn how to design emails that hold up in dark mode, with practical tips, real examples, and code that works.
Gmail and Outlook now use AI to filter, summarise and rank emails. Discover what the AI Inbox means for engagement, inbox placement and your campaigns.
Gmail AI Overviews summarise emails automatically. What does this mean for email marketers? Learn how it works and how to stay visible.
Email accessibility helps humans and AI interpret your content. Learn how structured, accessible emails improve clarity and inbox performance.
On Tuesday 9 June, we're attending the first ever Study Choice & Strategy Congress, bringing together marketing and communications professionals from MBO, HBO and WO.
Your emails aren't just being opened or ignored anymore. They're being interpreted, summarised, and judged by AI before a human even sees them.
Discover 6 triggered email campaigns travel brands can use to increase bookings, recover abandoned searches and grow ancillary revenue.