Request a callCASL and B2B email: what Canadian demand generation teams need to get right
Canada’s Anti-Spam Legislation (CASL) requires consent before sending commercial electronic messages, clear identification of the sender and a working unsubscribe mechanism in every message. B2B teams can rely on express consent or, in defined situations, implied consent such as an existing business relationship or a recent inquiry. Build consent capture, expiry tracking and suppression into the CRM so compliance is automatic rather than manual.
Key takeaways
- CASL covers B2B email, not just consumer marketing.
- Track how and when consent was obtained, and when implied consent expires.
- Every message needs sender identification and an unsubscribe that works within the required period.
- Compliant programs and good programs look similar: relevant, permission-based and easy to leave.
What CASL requires
- Consent: express (opt-in) or implied in specific circumstances
- Identification: who is sending the message and on whose behalf, with contact information
- Unsubscribe: a simple mechanism in every message, honoured promptly
Express vs implied consent
| Type | Typical B2B example | Practical note |
|---|---|---|
| Express | A buyer ticks an opt-in box on a demo or content form | Does not expire unless withdrawn; record the date, form and wording |
| Implied: existing business relationship | A customer bought from you or signed a contract | Time-limited; track the start date and expiry |
| Implied: inquiry | A prospect asked about your services | Shorter time limit; convert to express consent where you can |
| Implied: conspicuous publication | A business email published without a no-contact statement, and your message relates to the person’s role | Narrow; keep messages relevant to the role |
Time limits and exceptions are set out in the legislation and regulations. Confirm details with counsel before relying on implied consent.
Build compliance into the CRM
- Add consent type, source, date and wording fields to contacts.
- Calculate implied consent expiry automatically.
- Suppress contacts without valid consent from commercial sends.
- Sync unsubscribes across every sending tool immediately.
- Audit forms quarterly to confirm opt-in wording and storage.
What this means for demand generation
CASL rewards the practices that work anyway in enterprise B2B: fewer, more relevant messages to people who asked to hear from you. Account-based programs lean less on cold email and more on paid media, content and rep outreach to known buying roles, which fits Canadian rules well. Offer a clear reason to opt in on every high-intent form, and treat consent as an asset to grow.
Frequently asked questions
Can we email business contacts we bought from a data vendor?
Only if you have valid consent for each contact under CASL. Purchased lists rarely come with consent you can rely on. Review with counsel before sending.
Does CASL apply to messages sent from outside Canada?
CASL applies to commercial electronic messages sent to or accessed from computers in Canada, so foreign senders targeting Canadian recipients should plan for it.