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Email marketing remains one of the most effective ways to grow a business, stay visible, and boost sales. At the same time, it is an area where even small mistakes can escalate into significant legal problems. As a business, if your email crosses the line, you could face regulatory action, fines, and even a loss of customer trust. This is due to the CAN-SPAM Act, a law that establishes the ground rules for commercial emails. In this article, we discuss what the CAN-SPAM Act entails and the requirements to help you ensure that your campaigns remain both effective and compliant.
The CAN-SPAM Act is a federal law that applies to any email meant to advertise or promote a product or service. This includes bulk email campaigns, one-off promotions, emails to former customers, and even business-to-business messages. The CAN-SPAM Act is enforced by the Federal Trade Commission (FTC), and violations can carry significant financial penalties. The primary purpose of this law is to ensure that while businesses market by email, they do so honestly, transparently, and with respect to the recipient’s right to opt out.
Below are the components of the CAN-SPAM Act you should understand to ensure your email marketing campaigns are compliant:
The fields “from,” “to,” and reply-to must clearly identify your business. You should not use fake names, misleading domains, or disguised sender information. This ensures recipients know exactly who is contacting them and helps you avoid potential penalties.
Your subject lines must reflect what’s actually in the email. To ensure compliance, avoid creating false urgency, offering exaggerated discounts, presenting fake prizes, or using misleading personalization.
If the email is promotional, that should be obvious. The commercial nature of the message must be clear and conspicuous to the reader. This may involve labelling the email as an Adand placing that disclosure in a prominent, easy-to-find location without using jargon.
Every marketing email must include your current postal address. This can be a street address, a U.S. P.O. Box, or a properly registered private mailbox. If you relocate to a new office, ensure you update your mailing address promptly.
You don’t need prior consent to send marketing emails under the CAN-SPAM Act. However, you must include an easy way to opt out that an ordinary person can recognize, read, and understand. This can be an unsubscribe link or clear instructions to reply and opt out.
Once someone unsubscribes, you must stop sending marketing emails within 10 business days. You also cannot charge a fee for this, ask for extra information, or require them to take any additional step beyond sending a reply email or visiting a single webpage on the internet as a prerequisite to opting out.
If you use an email marketing platform or an affiliate to send emails on your behalf, you are still responsible for compliance. If they break the rules, your business could also be held liable.
For more information, contact the experienced Business Lawyers at Revision Legal. You can contact us through the form on this page or call (855) 473-8474.
The stakes for non-compliance are significant. Under 15 U.S.C. §7706, each separate violation of the CAN-SPAM Act can result in a civil penalty of up to $51,744 per email. Because most marketing campaigns involve thousands of recipients, a single non-compliant campaign can generate penalty exposure in the millions of dollars. Both the FTC and state attorneys general have authority to enforce the Act, and Internet Service Providers may also bring civil suits. The FTC has pursued enforcement actions against major senders resulting in substantial monetary penalties and court-ordered compliance programs.
The CAN-SPAM Act expressly preempts most state email marketing laws, but it does not preempt state laws that prohibit falsity or deception or that address computer crime. More importantly, state privacy laws—particularly the California Consumer Privacy Act (CCPA), as amended by the California Privacy Rights Act (CPRA)—impose additional obligations on businesses that send email to California residents. The CCPA grants consumers the right to opt out of the sale or sharing of their personal information, which can include sharing email lists with advertising partners for targeted marketing. If your email marketing program involves behavioral targeting or third-party data enrichment, you need a legal review that goes beyond CAN-SPAM alone.
If your email list includes subscribers in the European Union, the GDPR imposes requirements that go significantly beyond CAN-SPAM. The GDPR requires affirmative, freely given, specific, informed, and unambiguous consent to receive marketing emails. Pre-checked boxes, bundled consent, or consent obtained as a condition of service do not meet the GDPR standard. Fines can reach up to 4% of global annual turnover, and EU regulators have imposed nine-figure fines against companies for unlawful marketing communications.
Building a compliant email marketing program requires understanding how CAN-SPAM, state privacy laws, and international regulations intersect. The attorneys at Revision Legal advise businesses on email compliance, privacy policies, and data practices. Contact us to schedule a consultation, or visit our internet law practice page.
Not all business emails are subject to the same CAN-SPAM requirements. The Act distinguishes between “commercial” messages—those whose primary purpose is to advertise or promote a product or service—and “transactional or relationship” messages, which primarily facilitate or confirm an already-agreed-upon transaction or update a customer about an ongoing relationship. Transactional emails are exempt from several CAN-SPAM requirements, including the opt-out and identification rules. Common examples include order confirmations, shipping notifications, account statements, and password reset emails.
However, the primary purpose test is applied to the entire email, not individual components. If a transactional email includes substantial promotional content—a promotional offer, a cross-sell recommendation, a marketing header or footer—the email may be reclassified as commercial by a regulator or court, bringing it within the full CAN-SPAM framework. This is an area where many businesses inadvertently create compliance risk by treating transactional emails as a permissive marketing channel. If you add promotional content to transactional emails, build in the same disclosures and opt-out mechanisms you use for your standard marketing campaigns, or consult with an attorney about where to draw the line.
One frequently overlooked compliance trigger is growth through acquisition. When a business acquires another company—or purchases an email list as part of a broader transaction—the acquiring company assumes the prior owner’s CAN-SPAM compliance history, including any existing opt-outs that must be honored. Failing to suppress prior opt-outs when integrating acquired email lists is one of the most common post-acquisition compliance failures, and it creates immediate penalty exposure. Due diligence for any transaction involving email marketing assets should include a review of the seller’s CAN-SPAM compliance practices, suppression list management, and any pending or threatened regulatory actions. Integrating acquired email assets through a careful scrub and validation process—before sending any marketing communications—is essential to preventing inherited liability from creating new problems for your business.
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