What is cold email?
A first message to someone who has never dealt with you. It's legal under conditions, and often banned by the tool sending it.
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Cold email — Cold email is unsolicited business email sent to a person who has not previously interacted with the sender, to open a conversation. It is legal in many jurisdictions under conditions (accurate identity, an opt-out, no deception) and forbidden by many CRM vendors' terms.
Why it matters
Cold email is how most B2B outbound starts. You write to a person who has never dealt with you, to open a conversation, not to continue one. In the United States, CAN-SPAM allows it without consent. Your identity has to be accurate, you need an opt-out that works, and your subject line can't mislead. Other countries set a higher bar. If you send across borders, check each one. Don't assume the rule at home applies everywhere.
What trips teams up isn't the law. It's the tool. Whether the law lets you send cold email and whether your CRM's acceptable-use policy allows it are two separate questions. Most CRM and email platforms built for marketing or transactional mail ban unsolicited outreach in their terms, whatever the law allows. Send cold volume through a tool that wasn't built or licensed for it, and you risk the whole account, not only one message. A system built for cold outreach treats deliverability, suppression and sending domains as core jobs, not as a workaround.
How compliant cold email is sent
- 1
The sender's identity is accurate
A real name, company and reply address, not a disguised source.
- 2
An opt-out is included
A working way to stop future messages, honoured promptly.
- 3
The subject line is not deceptive
It reflects what the message actually contains.
- 4
The list is checked against suppression
Unsubscribes, bounces and legal holds excluded before sending.
- 5
It is sent from infrastructure built for it
A sender pool on a secondary domain, not a primary mailbox.
The mistake to watch for
Questions
- How is cold email different from marketing email?
- Marketing email goes to people who opted in. Cold email goes to people who have never dealt with the sender. That's why it carries stricter rules on identity and opt-out, and why many mainstream tools ban it outright.
- Is cold email legal everywhere?
- No. It's allowed under conditions in the US, and in many countries that rely on legitimate interest. Stricter laws, like Canada's CASL, need consent first. So the rule depends on where the reader is.
- Why do CRM vendors prohibit cold email in their terms?
- Unsolicited volume puts their shared sending servers and reputation at risk. So most mainstream platforms restrict it, whatever the law allows.