CAN-SPAM: Recapping the Basics


I saw somebody asking about CAN-SPAM on one of the email industry Slack groups recently and it reminds me that not everybody knows what it is. New people enter our industry every year, or work in locales outside the US. Thus, I think it might be a good time for a quick recap of the "Controlling the Assault of Non-Solicited Pornography And Marketing" Act of 2003.

CAN-SPAM was signed into law in 2003, becoming law on January 1, 2024. Meaning it's been twenty years since this thing came into existence. If you're not familiar on it, that's okay. Let's start with the basics.

What is it?

CAN-SPAM is the US Federal anti-spam law. The law provides a set of requirements that senders of commercial (marketing) email messages must adhere to, starting with requiring that senders include a postal address, honor unsubscribes, and prohibiting false or deceptive information in headers.

While it doesn't disallow unsolicited mail, it helps to reinforce permission-based marketing requirements by:
Legal Action under CAN-SPAM

While enforcement actions under CAN-SPAM have been few and far between, for those targeted, they've been expensive, unhappy experiences. The most recent one as of this writing seems to be the FTC levying a $2.9 million fine against a company called Verkada in 2024.

Applicability to Political and Non-Profit Senders

The FTC has made it clear that CAN-SPAM does not apply to political senders. But those sending bulk email messaging of any type -- be it political campaign messages, advocacy or fundraising message for non profits, or something else -- should be aware that mailbox providers can and do set policies regarding spam filtering. Those policies universally disallow unsolicited messages. 

Long story short, send unsolicited messaging in bulk, and you're likely to end up blocked. The fact that your messaging might not need to comply with CAN-SPAM will not help you in any way.

Permission ultimately rules when it comes to getting bulk email delivered to the inbox.

Learn More about CAN-SPAM

There's a whole section on CAN-SPAM here on Spam Resource, including a DELIVTERMS entry, a prior roundup, a post busting some common CAN-SPAM myths, and periodic highlights of enforcement activity, and more. Check out the section here.
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