CAN-SPAM, GDPR and One-Click Unsubscribe: The Rules for Marketers
A short, practical comparison of the main email marketing rules and the habits that keep you compliant on all of them. General information, not legal advice.
In this article
General information only; check requirements for your own case.
The main frameworks
- CAN-SPAM (US): allows email without prior consent but requires honest headers and subject lines, a physical postal address, and a working opt-out honoured within 10 business days.
- GDPR (EU) and KVKK (Turkey): require a valid legal basis, usually consent for marketing, plus clear information and an easy withdrawal.
- Provider rules: Gmail, Yahoo and Microsoft expect one-click unsubscribe on bulk marketing mail.
Habits that satisfy all of them
- Collect clear consent and record when and how.
- Identify yourself in every message with your name and address.
- Put a visible unsubscribe link in every marketing email and support the one-click header.
- Process unsubscribes immediately; do not wait for the legal deadline.
- Never send to people who opted out, and keep a suppression list.
- Keep headers and subject lines truthful.
Where verification helps
Verification keeps your list accurate, so opt-out and deletion requests reach real people and you do not keep dead data. It does not replace consent.
Keep your list tidy with the bulk verifier.
Mailbite Editorial TeamPractical guides on email verification and deliverability.
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