Definition
Explicit consent in email marketing is permission a subscriber actively and informedly gives before you can send them marketing email. It is usually captured through an opt-in — such as a checkbox the user deliberately ticks or a dedicated form submission — that clearly tells the person what they are agreeing to.
Explicit consent is the strongest form of permission and is required or strongly preferred under laws such as the GDPR and PECR for most electronic marketing. Because it is documented and specific, it gives senders a clear, defensible basis for emailing someone.
Explicit vs Implied Consent
| Factor | Explicit Consent | Implied Consent |
|---|---|---|
| How it is given | Active opt-in action | Passive or inferred from context |
| Example | Subscriber ticks a form checkbox | Someone gives their card at checkout |
| Strength | Strong, clearly documented | Weaker, depends on context |
| Regulatory basis | Preferred for marketing email | Acceptable only in narrow cases |
Most payment rules treat explicit consent as the safe default for email marketing.
What Makes Consent Explicit
- Active choice: The subscriber performs an action to consent; it is not pre-ticked.
- Informed: The person understands what they are consenting to and who sends it.
- Specific: The consent covers the type and frequency of email they will receive.
- Documented: There is a record of when and how consent was given.
- Revocable: The subscriber can withdraw consent easily at any time.
How to Obtain Explicit Consent
- Use clear opt-in language: Explain exactly what the subscriber subscribes to.
- Avoid pre-ticked boxes: Let the user actively choose to opt in.
- Capture the source: Record where and how consent was given.
- Provide an easy opt-out: Every email should allow withdrawing consent simply.
- Keep records: Store the consent for compliance and audits.
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Related Glossary Terms
Abuse Complaint
An abuse complaint is a report from a recipient who marks an email as spam, which negatively affects sender reputation and deliverability.
Anonymized Data
Anonymized data is email subscriber or interaction data that has been stripped of personally identifiable information so individuals cannot be re-identified.
Australia Spam Act 2003
The Australian Spam Act 2003 bans unsolicited commercial email, requiring consent, accurate sender information and a clear, working unsubscribe facility on every message.
Brazil LGPD Email Marketing
Brazil's LGPD regulates personal data use for marketing, requiring a legal basis such as consent or legitimate interest, plus transparency and clear opt-out in email campaigns.
CAN-SPAM Act
The CAN-SPAM Act is a US law that sets rules for commercial email. It requires accurate subject lines, a physical address, a clear opt-out mechanism, and prompt processing of unsubscribes. Violations can result in penalties up to $51,744 per email.
Canada CASL Guide
CASL (Canada's Anti-Spam Legislation) requires express or implied consent, clear identification, and a functioning unsubscribe mechanism before sending commercial electronic messages to Canada.
Frequently Asked Questions
Explicit consent is permission a subscriber actively and informedly gives before you send them marketing email, usually through an opt-in action like ticking a box or submitting a form. It is clear, specific and documented.
Explicit consent is an active opt-in, while implied consent is assumed from context such as a past purchase. Explicit consent is stronger and is the safest basis for marketing email under rules like the GDPR and PECR.
It gives senders a clear, defensible basis for emailing someone, satisfies regulatory requirements, and produces a more engaged list. Because it is documented and specific, it greatly reduces compliance risk.
Use an active, un-ticked opt-in with clear language, capture the source and date, keep records, and offer an easy way to withdraw consent. This satisfies the requirements for a strong, compliant consent basis.