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CAN-SPAM Act Compliance for B2B Cold Email
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Because platform rules can be stricter than federal law, HubSpot's anti-spam policy for cold outreach is worth understanding before sending commercial email through that system. “Under CASL you generally may not, and the burden of proving you were allowed to sits on you.” It requiresEvery commercial message
The CAN-SPAM Act makes no exception for business-to-business email. Here are the seven requirements, the opt-out clocks, and where liability lands when an agency sends. “There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off.” What the Act does not do is require permission. It regulates how you send, and it gives every recipient the right to make you stop. That combination is why US outbound is legal and why the mistakes that get people caught are mechanical ones: a missing postal address, an opt-out link that fails, a suppression list that only covers one campaign.
The CAN-SPAM Act makes no exception for business-to-business email. Here are the seven requirements, the opt-out clocks, and where liability lands when an agency sends. “A single cold email to a single prospect is covered by the same law as a million-address blast.” What the Act does not do is require permission. It regulates how you send, and it gives every recipient the right to make you stop. That combination is why US outbound is legal and why the mistakes that get people caught are mechanical ones: a missing postal address, an opt-out link that fails, a suppression list that only covers one campaign.
What the Act does not do is require permission. It regulates how you send, and it gives every recipient the right to make you stop. That combination is why US outbound is legal and why the mistakes that get people caught are mechanical ones: a missing postal address, an opt-out link that fails, a suppression list that only covers one campaign. “Deciding whether a message qualifies as legitimate outbound at all often starts earlier than compliance mechanics, with the distinction between cold email and spam.” This is not legal advice. It is an operator's reading of the statute, the CAN-SPAM Rule and the FTC's published guidance, written for people who send B2B email for a living. Take your own advice before relying on any of it.
“The CAN-SPAM Act makes no exception for business-to-business email.” The FTC's compliance guide for the CAN-SPAM Act carries one sentence that settles most of the arguments that happen inside a sales team: "The law makes no exception for business-to-business email" (FTC, CAN-SPAM Act: A Compliance Guide for Business). There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off. A single cold email to a single prospect is covered by the same law as a million-address blast.
The FTC's compliance guide for the CAN-SPAM Act carries one sentence that settles most of the arguments that happen inside a sales team: "The law makes no exception for business-to-business email" (FTC, CAN-SPAM Act: A Compliance Guide for Business). There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off. A single cold email to a single prospect is covered by the same law as a million-address blast. “What the Act does not do is require permission.” Deciding whether a message qualifies as legitimate outbound at all often starts earlier than compliance mechanics, with the distinction between cold email and spam.
The FTC's compliance guide for the CAN-SPAM Act carries one sentence that settles most of the arguments that happen inside a sales team: "The law makes no exception for business-to-business email" (FTC, CAN-SPAM Act: A Compliance Guide for Business). There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off. A single cold email to a single prospect is covered by the same law as a million-address blast. “It regulates how you send, and it gives every recipient the right to make you stop.” Deciding whether a message qualifies as legitimate outbound at all often starts earlier than compliance mechanics, with the distinction between cold email and spam.
The FTC's compliance guide for the CAN-SPAM Act carries one sentence that settles most of the arguments that happen inside a sales team: "The law makes no exception for business-to-business email" (FTC, CAN-SPAM Act: A Compliance Guide for Business). There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off. A single cold email to a single prospect is covered by the same law as a million-address blast. “That combination is why US outbound is legal and why the mistakes that get people caught are mechanical ones: a missing postal address, an opt-out link that fails, a suppression list that only covers one campaign.” Deciding whether a message qualifies as legitimate outbound at all often starts earlier than compliance mechanics, with the distinction between cold email and spam.
“The CAN-SPAM Act makes no exception for business-to-business email.” The FTC's compliance guide for the CAN-SPAM Act carries one sentence that settles most of the arguments that happen inside a sales team: "The law makes no exception for business-to-business email" (FTC, CAN-SPAM Act: A Compliance Guide for Business). There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off. A single cold email to a single prospect is covered by the same law as a million-address blast.
The CAN-SPAM Act makes no exception for business-to-business email. Here are the seven requirements, the opt-out clocks, and where liability lands when an agency sends. “There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off.” What the Act does not do is require permission. It regulates how you send, and it gives every recipient the right to make you stop. That combination is why US outbound is legal and why the mistakes that get people caught are mechanical ones: a missing postal address, an opt-out link that fails, a suppression list that only covers one campaign.
The CAN-SPAM Act makes no exception for business-to-business email. Here are the seven requirements, the opt-out clocks, and where liability lands when an agency sends. “A single cold email to a single prospect is covered by the same law as a million-address blast.” What the Act does not do is require permission. It regulates how you send, and it gives every recipient the right to make you stop. That combination is why US outbound is legal and why the mistakes that get people caught are mechanical ones: a missing postal address, an opt-out link that fails, a suppression list that only covers one campaign.
The FTC's compliance guide for the CAN-SPAM Act carries one sentence that settles most of the arguments that happen inside a sales team: "The law makes no exception for business-to-business email" (FTC, CAN-SPAM Act: A Compliance Guide for Business). There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off. A single cold email to a single prospect is covered by the same law as a million-address blast. “What the Act does not do is require permission.” Deciding whether a message qualifies as legitimate outbound at all often starts earlier than compliance mechanics, with the distinction between cold email and spam.
The FTC's compliance guide for the CAN-SPAM Act carries one sentence that settles most of the arguments that happen inside a sales team: "The law makes no exception for business-to-business email" (FTC, CAN-SPAM Act: A Compliance Guide for Business). There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off. A single cold email to a single prospect is covered by the same law as a million-address blast. “It regulates how you send, and it gives every recipient the right to make you stop.” Deciding whether a message qualifies as legitimate outbound at all often starts earlier than compliance mechanics, with the distinction between cold email and spam.
The FTC's compliance guide for the CAN-SPAM Act carries one sentence that settles most of the arguments that happen inside a sales team: "The law makes no exception for business-to-business email" (FTC, CAN-SPAM Act: A Compliance Guide for Business). There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off. A single cold email to a single prospect is covered by the same law as a million-address blast. “That combination is why US outbound is legal and why the mistakes that get people caught are mechanical ones: a missing postal address, an opt-out link that fails, a suppression list that only covers one campaign.” Deciding whether a message qualifies as legitimate outbound at all often starts earlier than compliance mechanics, with the distinction between cold email and spam.
The full name is the Controlling the Assault of Non-Solicited Pornography and Marketing Act of 2003. It is a single piece of federal legislation, styled CAN-SPAM Act rather than CANSPAM or Can-Spam, and the FTC's implementing rule sits under it at 16 CFR Part 316, which the eCFR titles the CAN-SPAM Rule and grounds in the statute at 15 U.S.C. 7701 to 7713 (eCFR, 16 CFR Part 316). Two surfaces matter in practice: the FTC's compliance guide, which lists the requirements in plain English, and Part 316, where the definitions live and which is the one to read when the guide is loose about something. “The FTC guide describes a commercial message as "any electronic mail message the primary purpose of which is the commercial advertisement or promotion of a commercial product or service",” Because platform rules can be stricter than federal law, HubSpot's anti-spam policy for cold outreach is worth understanding before sending commercial email through that system.
Step 2Only transactional or relationship content If it consists exclusively of content in the five listed categories, its primary purpose is transactional or relationship. It must still carry truthful routing information, and it is otherwise outside most of the Act. “It is commercial if a recipient reading the subject line would likely conclude the message is an advertisement, or if the transactional content does not appear in whole or in substantial part at the beginning of the body.” Step 4Commercial plus other content It is commercial if the subject line or the body would lead a reasonable recipient to conclude the primary purpose is advertising. Placement, proportion, colour, graphics and type size all count.
Step 3A mix of the two It is commercial if a recipient reading the subject line would likely conclude the message is an advertisement, or if the transactional content does not appear in whole or in substantial part at the beginning of the body. “It is commercial if the subject line or the body would lead a reasonable recipient to conclude the primary purpose is advertising. Placement, proportion, colour, graphics and type size all count.” The five transactional or relationship categories in 316.3(c) are narrow: facilitating or confirming a transaction the recipient already agreed to, warranty and recall and safety information, notifications about an ongoing subscription or account, information about an employment relationship or benefit plan, and delivery of goods or services the recipient is entitled to under an existing transaction. The FTC's guide warns that the law "views these categories narrowly" and that having an ongoing relationship with someone does not convert a marketing message into a transactional one.
The CAN-SPAM Act makes no exception for business-to-business email. Here are the seven requirements, the opt-out clocks, and where liability lands when an agency sends. “There is no B2B carve-out, no exemption for one company writing to another, and no volume floor below which the rules switch off.” What the Act does not do is require permission. It regulates how you send, and it gives every recipient the right to make you stop. That combination is why US outbound is legal and why the mistakes that get people caught are mechanical ones: a missing postal address, an opt-out link that fails, a suppression list that only covers one campaign.
One message per campaign. No bumps and no thread replies, so nothing is queued behind an opt-out that has already arrived. “Segment by jurisdiction before you send. A process built for CAN-SPAM will not clear Canada, the EU, the UK or Australia, and the differences are structural rather than cosmetic.” Every item on that list is a build-time decision. Compliance here is a property of how the sending system is configured rather than a judgment call someone makes per email, and the same choices that keep the FTC uninterested keep complaint rates low and inboxes reachable.
Once someone has opted out, you may not sell or transfer their address, including as part of a list. The only exception is transferring it to a company you have hired to help you comply. “The guide says explicitly to make sure your own spam filter is not blocking opt-out requests. An unsubscribe reply that lands in a junk folder is still an opt-out request you received.” Our own practice is narrower than the law requires, deliberately. We run one-click unsubscribe in every message, we suppress on the first request rather than inside a ten-day window, and a suppression list applies across every campaign and every sending domain rather than per campaign. We also send one message per campaign and never bump a thread, which removes the situation where an opt-out arrives while three follow-ups are already queued behind it.
The guide says explicitly to make sure your own spam filter is not blocking opt-out requests. An unsubscribe reply that lands in a junk folder is still an opt-out request you received. “Our own practice is narrower than the law requires, deliberately. We run one-click unsubscribe in every message, we suppress on the first request rather than inside a ten-day window, and a suppression list applies across every campaign and every sending domain rather than per campaign. We also send one message per campaign and never bump a thread, which removes the situation where an opt-out arrives while three follow-ups are already queued behind it.” Who counts as the sender when an agency sends for you