Do not use any false or misleading information in the subject line of your email as well as ‘From’, ‘To’, ‘Reply To’ fields. Do not hide original domain names and email addresses.
Don’t use deceptive subject lines and try to choose a subject line that accurately reflects the content of Your email.
Clearly state or otherwise identify that Your email is an ad.
Provide full and accurate contact information and the location of your business, including Your physical postal address or post office box.
Provide active links to unsubscribe from Your mailing list or provide clear and full information on how to opt-out from receiving emails from You. In case You require recipients to contact you in order to opt-out, please make sure to react to such requests quickly and diligently. You cannot charge a fee for processing such requests or ask the recipient for additional personal data or set any conditions for honoring such requests.
Make sure to monitor your compliance regularly.