Navigating GDPR, CAN-SPAM, and CASL
- Christina Pappas

- Jul 23, 2025
- 3 min read
GDPR, the CAN-SPAM Act, and Canada’s Anti-Spam Legislation (CASL) are three key laws that govern how personal data can be collected, used, and shared. Violating these regulations can lead to severe penalties, loss of consumer trust, and reputational damage. You don't want to find your sender domain flagged as spam. In addition, too many spam complaints could lead to your email platform pulling the plug on you. Not good!
GDPR
GDPR came into effect in May 2018 and I still remember the terror felt in the marketing department.
The core principles of GDPR include:
Lawfulness, fairness, and transparency: Personal data must be processed legally and transparently.
Purpose limitation: Data should only be collected for specified and legitimate purposes.
Data minimization: Organizations should only collect the data necessary for their stated purposes.
Accuracy: Data should be accurate and kept up to date.
Storage limitation: Data should not be stored for longer than necessary.
Integrity and confidentiality: Data must be processed securely to protect against unauthorized access or data breaches.
Understanding these principles not only ensures compliance but fosters trust among your customers.

Tips for GDPR Compliance
Get Explicit Consent: Ensure that users provide informed consent before collecting their data. Use clear language and avoid pre-checked boxes.
Maintain Comprehensive Records: Document data processing activities, including what data you collect, how it’s used, and how you secure it.
Implement Data Subject Rights: Be prepared to handle data subject requests, including access, rectification, and deletion of their personal data.
Breach Notification: In the event of a data breach, notify the relevant authorities and affected individuals promptly.
CAN-SPAM
The CAN-SPAM Act's primary goal is to protect consumers from unsolicited and misleading email messages while giving recipients the right to have businesses stop emailing them.
Key requirements under the CAN-SPAM Act include:
No false or misleading header information: Ensure your “From,” “To,” and routing information is accurate.
No deceptive subject lines: Your email’s subject line must not mislead the recipient about its content.
Identify the message as an advertisement: You must clearly disclose that the email is a promotional message.
Include a physical postal address: Your email must provide a valid physical address for your business.
Easy opt-out option: Emails must include a clear and conspicuous way for recipients to unsubscribe.
Tips for CAN-SPAM Compliance
Maintain an Updated Email List: Regularly review and cleanse your email list to remove inactive users and ensure accurate contact information.
Segment Your Audience: Tailor your messages to specific segments of your audience to increase relevance and engagement.
Monitor Compliance: Use email marketing tools that allow you to track compliance metrics and ensure that your messaging aligns with CAN-SPAM requirements.
CASL
CASL is designed to protect Canadians from unsolicited emails, phone calls, and other electronic communications. CASL is known for its strict consent requirements and focuses on ensuring businesses obtain permission before sending commercial electronic messages (CEMs), including emails and texts.
Key elements of CASL:
Opt-in Consent: Businesses must obtain express consent before sending CEMs. This means individuals should actively agree to receive communications.
Clear Identification: CEMs must clearly identify the sender and provide contact information.
Unsubscribe Mechanism: Each communication must include an easy way for recipients to withdraw their consent.
Record Keeping: Businesses must maintain records of consent, showing how and when it was obtained.

Tips for CASL Compliance
Build Consent-Based Lists: Collecting consent should be an integral part of your marketing strategy, ensuring that your audience genuinely wants to receive your messages.
Stay Informed: Regulations can evolve, so staying updated on changes to CASL can help your business maintain compliance.
Communicate Transparently: Be clear about what individuals are consenting to when they subscribe. Provide information about the types of emails they should expect and the frequency of communication.
Balancing compliance with your marketing efforts ensures that your communications are effective and respectful of consumer preferences.



