GDPR, CAN-SPAM, and Email Compliance in 2025
Data privacy laws are more relevant than ever in 2025, and email marketers can’t afford to ignore them.
Whether you’re running a solo newsletter or managing a large eCommerce list, compliance isn’t just about avoiding fines; it’s about building trust with your subscribers.
This post will break down:
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The major email compliance laws (GDPR, CAN-SPAM, and others)
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What’s changed in 2025
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What you must do to stay legal and ethical
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Common compliance mistakes to avoid
Let’s clear up the confusion so you can market with confidence.
⚖️ Why Email Compliance Matters (Now More Than Ever)
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Fines are real: GDPR violations can cost up to €20 million or 4% of global turnover.
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Trust is currency: Subscribers want to know their data is safe and respected.
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Platforms are stricter: Email service providers (ESPs) like Mailchimp, ConvertKit, and Klaviyo are enforcing compliance more aggressively.
If you want strong deliverability, happy subscribers, and a list that grows long-term — compliance is not optional.
🔐 GDPR: General Data Protection Regulation (EU)
Applies to: Anyone collecting or emailing subscribers in the EU or UK — no matter where you are located.
Key Requirements:
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Explicit Consent
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No pre-checked boxes or assumed opt-ins
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Subscribers must take a clear action to join your list
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Right to Access and Delete
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Subscribers can ask what data you have and request deletion (a.k.a. the “right to be forgotten”)
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Purpose Limitation
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You must only use subscriber data for the reason they opted in (e.g., don’t collect emails for a freebie and then send unrelated promotions)
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Data Minimization
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Only collect the info you need — don’t ask for unnecessary fields
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Record Keeping
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You must keep records showing how and when someone gave consent
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Breach Notification
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You must report certain data breaches to authorities within 72 hours
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2025 Update:
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More audits and automated compliance checks across popular platforms
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Increased enforcement of data transparency and user-friendly unsubscribe processes
🇺🇸 CAN-SPAM: Controlling the Assault of Non-Solicited Pornography and Marketing Act (US)
Applies to: Any commercial email sent to recipients in the U.S.
Key Requirements:
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No False or Misleading Info
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Sender name, subject line, and email address must be honest
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Identify the Message as an Ad (if applicable)
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This doesn’t mean plastering “ADVERTISEMENT” at the top, but it must be clear
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Include a Physical Mailing Address
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You must show a real, valid address (PO boxes are acceptable)
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Include an Unsubscribe Link
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It must be easy to find and must work for at least 30 days
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Honor Opt-Out Requests Promptly
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You must process unsubscribes within 10 business days
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2025 Update:
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The FTC has ramped up enforcement, especially for DTC (direct-to-consumer) brands and affiliate marketers
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Transparency in AI-generated emails is under review — marketers are encouraged to disclose automated content when relevant
🌎 Other International Laws to Know
CASL (Canada’s Anti-Spam Legislation)
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Requires express consent (even more strict than GDPR)
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Consent must be documented and refreshed over time
PECR (UK Privacy and Electronic Communications Regulations)
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Works alongside UK GDPR
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Applies to email, cookies, and electronic communications
Australian Spam Act
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Requires opt-in consent, clear sender identification, and easy opt-outs
📋 Compliance Checklist for 2025
Here’s what to double-check before every campaign:
✅ Clear, documented opt-in (no pre-ticked boxes)
✅ Easy-to-find unsubscribe link in every email
✅ Real sender name and address
✅ Only email people who chose to hear from you
✅ Privacy policy easily accessible
✅ Ability to delete or export user data if requested
✅ Don’t share or sell subscriber data without explicit consent
BONUS: Use a reputable email service provider (ESP) — they’ll help you stay compliant and flag risky practices.
🚫 Common Email Compliance Mistakes to Avoid
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❌ Adding people to your list after a purchase without consent
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❌ Buying or renting email lists (always illegal and always spammy)
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❌ Using misleading subject lines (“Re: Your Refund” when none exists)
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❌ Hiding the unsubscribe link in white text or images
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❌ Forgetting to update your privacy policy when collecting new data
🤝 Compliance Is Trust
In 2025, privacy isn’t just a legal checkbox — it’s part of your brand identity.
When subscribers see that you respect their inbox, they’re:
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More likely to stay on your list
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More likely to open and engage
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More likely to recommend you
That’s the kind of trust you can’t fake — and can’t buy.
✅ Final Thought: Ethical Marketing Wins
You don’t need shady tactics to succeed with email marketing.
You need:
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Consent
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Clarity
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Consistency
Treat your subscribers like real people, not targets. Respect their data. Be transparent about how you use it.
That’s how you build an email list that grows and lasts.


