Email Rules and Regulations You Should Know in 2024

BySakshi Chandwani


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Email marketing has revolutionized how businesses connect with their customer's targeted messages, promote products and services, and build long-lasting relationships. However, email marketing has its challenges. The rise of spam and unsolicited emails has led governments worldwide to establish email regulations to protect consumers and ensure data privacy.

Complying with email regulations is a legal requirement for building customer trust. Failure to adhere to these regulations can result in hefty fines and damage your brand reputation. In this comprehensive guide, we will explore the email marketing regulations you need to know to stay compliant and ensure the success of your email campaigns.

Table of contents

The importance of email regulation

Email regulations are important and you must always be in compliance with them if you’re a marketer. Here’s why:

  • Email marketing rules and regulations are laws designed to protect consumers from receiving unwanted, unsolicited emails.

  • These regulations are crucial in maintaining a responsible and ethical email marketing ecosystem.

  • They help prevent spam and safeguard consumer privacy, ensuring companies collect and use customer data with explicit consent.

  • Misleading email marketing practices, such as sending emails with false or misleading subject lines or misrepresenting products, can damage a company's brand reputation and erode customer trust.

  • Email regulations aim to prevent such practices, ensuring businesses engage in responsible email marketing that adds value to the recipient.

Different regulatory frameworks in place

Different countries and regions have their own email marketing rules and regulations. Let's look at some of the key frameworks in place.

The European Union's General Data Protection Regulation (GDPR)

The General Data Protection Regulation (GDPR) is a comprehensive privacy law that applies to all member states of the European Union (EU) and the European Economic Area (EEA). It came into effect on May 25, 2018, and has significantly impacted how businesses collect, store, and process personal data.

Under the GDPR, businesses must obtain explicit consent from individuals before sending them marketing emails.

Additionally, the GDPR grants individuals the right to access and control their data, including the ability to opt out of marketing communications to help prevent spam.


  • Penalties of the General Data Protection Regulation (GDPR) can range from a warning to fines to €20 million or 4% of an organization's annual global turnover, whichever is higher. The exact penalty will depend on the severity of the violation and the company's compliance history.

The CAN-SPAM Act in the United States

In the United States, the Controlling the Assault of Non-Solicited Pornography And Marketing (CAN-SPAM) Act sets the rules for commercial email communications. The Act applies to any email with the primary purpose of commercial advertisement or promotion of a commercial product or service.

The CAN-SPAM Act requires businesses to include accurate header information, such as the sender's name and email address. It also mandates the inclusion of a clear and conspicuous opt-out mechanism, allowing recipients to unsubscribe from future emails.

Businesses have ten days to honor opt-out requests and must not charge a fee or require personal information beyond an email address for opt-out requests.


  • The penalties for violating the CAN-SPAM Act can be significant. Violators can face fines of up to $43,280 per email.

  • Additionally, those found to violate the law can be sued by the Federal Trade Commission or state attorneys general. Even if no fines are issued, companies found to violate the law can face reputational damage.

Canada's Anti-Spam Legislation (CASL)

Canada's Anti-Spam Legislation (CASL) is one of the strictest email marketing regulations globally. CASL applies to any electronic message that encourages participation in a commercial activity, including emails, text messages, and social media messages.

CASL requires businesses to obtain express or implied consent from recipients before sending commercial electronic messages. Express consent requires recipients to actively opt-in to receive emails, while implied consent may be based on an existing business relationship.

CASL also mandates including contact information and a clear unsubscribe mechanism in every email.


  • Penalties for violations of Canada's Anti-Spam Legislation (CASL) may include fines of up to $1 million for individuals and $10 million for corporations. In addition, individuals may face up to two years in prison, and corporations may be subject to criminal prosecution. CASL also provides for civil remedies, such as damages and injunctions.

Australian Spam Act

In Australia, the Spam Act 2003 regulates the sending of commercial electronic messages. The Act applies to emails, SMS messages, and instant messages sent for commercial purposes.

The Australian Spam Act requires businesses to obtain consent from recipients before sending commercial electronic messages. Consent can be expressed or inferred, but businesses must provide a clear and simple unsubscribe mechanism in every message. Additionally, businesses must include accurate sender identification information in their emails.


  • Under the Australian Spam Act, it is illegal for businesses to send unsolicited commercial electronic messages, such as emails or text messages, without the recipient's consent. Offenders can face fines of up to $1.1 million for individuals or $5.5 million for corporations. Additionally, individuals can be prosecuted for up to five years' imprisonment for serious breaches of the Spam Act.

Comparing the regulatory frameworks

While email regulations aim to achieve similar goals, there are variations in the requirements and penalties across different jurisdictions. Here's a comparison of some key elements among the regulatory frameworks discussed:

Framework Consent requirements Opt-Out mechanism requirement Sender identification requirement
GDPR Explicit consent Clear and conspicuous Accurate sender identification
CAN-SPAM Act No consent requirement Clear and conspicuous Accurate sender identification
CASL Express or implied consent Clear and conspicuous Accurate sender identification
Australian Spam Act Express or inferred consent Clear and simple Accurate sender identification

Businesses must understand the specific requirements of the regulatory framework relevant to their target audience and ensure compliance to avoid penalties and maintain customer trust.

Best practices to comply with email regulations

Complying with email regulations is a legal obligation and an opportunity for businesses to build trust and enhance their reputation. Here are some best practices to follow when adapting to email regulation:

  • Obtain consent: Before sending marketing emails, ensure you have obtained explicit consent from recipients. Use double opt-in mechanisms to verify consent and document these opt-ins for future reference.

  • Provide Opt-Out option: Include a clear and conspicuous mechanism in every email. Honor opt-out requests promptly and remove unsubscribed recipients from your email list within the specified timeframe.

  • Include sender identification: Identify your business as the email's sender. Use a recognizable sender name to recipients and include accurate contact information, such as a physical or valid postal address.

  • Use descriptive subject lines: Ensure your subject lines accurately reflect the content of your emails. Avoid deceptive or misleading subject lines that may confuse or mislead recipients.

  • Manage customer data responsibly: Implement robust data management practices to protect customer data and ensure compliance with privacy regulations. Regularly review and update your data protection policies and procedures.

  • Stay informed: Keep track of any changes or updates to email regulations in your target jurisdictions. Stay informed about best practices and industry standards to maintain compliance.

By following these best practices, businesses can create responsible and effective email marketing campaigns while building trust and loyalty among their customer base.


Implementing email regulations is essential for protecting consumers from unwanted emails and maintaining data privacy. Governments have established email marketing regulations to protect consumer interests and encourage responsible email practices. To ensure compliance, businesses must be aware of the regulations that apply to their target audiences and adjust their email marketing strategies accordingly.


Yes, obtaining recipient permission is a fundamental requirement for sending marketing emails. Consent can be expressed or implied depending on the regulatory framework applicable to your target audience. It is best practice to use double opt-in mechanisms to ensure explicit consent.

To legally collect email addresses, you must obtain consent from individuals. This can be done through opt-in forms on your website, where users voluntarily provide their email addresses and explicitly agree to receive marketing communications.

Violating marketing email laws can result in fines and other penalties. Depending on the severity of the violation, penalties can range from a warning to fines of up to $40,000 per violation. Additionally, the sender may be held liable for any damages the recipient suffers, including lost profits.

Mailmodo is a powerful customer engagement platform that can enhance your email marketing campaign. It provides tools and resources to help businesses build personalized and impactful email experiences. With features like segmentation, automation, and analytics, Mailmodo enables businesses to deliver relevant and engaging email content while ensuring compliance with email regulations.

To ensure compliance with email regulations, businesses should follow best practices such as obtaining consent, providing opt-out options, including sender identification, using descriptive subject lines, and managing customer data responsibly.

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