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A CAN-SPAM compliance checker gives you a fast way to catch the two most common, most checkable mistakes in a marketing email footer before you hit send: a missing unsubscribe link and a missing physical address. Paste your email body and footer above and the scanner looks for both, then use the full checklist below for the requirements that need a judgment call rather than a text match.
The FTC's CAN-SPAM Act sets a specific list of requirements for commercial email. Your header information, the From, To, and routing data, must be accurate and identify you as the sender. Your subject line must not be deceptive about what the email contains. If the email's primary purpose is advertising, it needs to be clearly identifiable as such. You must include your valid physical postal address, either your current street address, a registered post office box, or a private mailbox registered with a commercial mail receiving agency. And you must give recipients a clear, easy way to opt out of future emails, one that costs them nothing and asks for nothing more than an email address.
Once someone opts out, the FTC requires you to honor that request within 10 business days. You cannot charge a fee for it, you cannot require them to visit multiple pages or provide information beyond an email address, and you cannot sell or transfer their address to another list after they have opted out. A working unsubscribe link that nobody actually processes on the back end is not compliance, it just delays the problem.
CAN-SPAM covers any commercial email, not just mass consumer newsletters. A B2B cold outreach sequence, a product update sent to existing customers, or a one-off promotional email to a small list all count if the primary purpose is advertising or promoting a product or service. Penalties run up to $53,088 per violating email, which is per email, not per campaign, so a footer template mistake that ships to a large list is a bigger risk than it looks. If your team is scaling outbound or lifecycle email as part of a bigger growth push, it is worth having compliance basics like this checked alongside your deliverability and content strategy, a free SEO audit is a natural place to start that broader conversation.
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Check whether your preheader text will display cleanly across inboxes.
Score your subject line for length, spam risk and likely open rate.
Scan your email copy for words that commonly trip spam filters.
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