Last updated: October 27, 2021
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"Opt-in" can generally be defined as a situation where contacts themselves submit their email address to an organization, with the expectation that they'll receive marketing emails as a result.
You must adhere to HubSpot's Acceptable Use Policy, which requires your recipient grants verifiable permission before you send them a marketing email through HubSpot.
When marketing to a global audience, it's important to understand email marketing compliance. A fundamental part of email compliance is understanding the difference between implied and explicit opt-in consent. Obtaining either form of consent from a contact is sufficient to send them marketing emails, but explicit consent is more likely to contribute to a healthy email sending reputation.
Please note: whether you receive implied or explicit consent, the consent must always be expressed by an action the customer took through a verifiable method. Lack of an opt-out or refusal is not a valid form of opt-in by HubSpot standards.
Implied consent is given when an individual gives you their email address for some business purpose, but has not explicitly stated that they want to receive marketing emails from you. Examples include a contact who fills out a “contact us” form, or fills out a form to access a gated resource.
Here are some more examples of implied consent:
Explicit consent is given when you ask an individual for permission to send them marketing emails and they agree. The recipient has to manually opt-in to receive your emails through written consent, a click on a checkbox on a form, or through double opt-in.
Please note: a form asking for a visitor's email address in a form field is not sufficient for getting explicit consent, but an unchecked checkbox that the visitor must click themselves is acceptable. See the example form below.
The best way to gain explicit consent is by using the double opt-in feature. When confirming double opt-in, an email must actually reach the inbox, and the contact will click a link in an email to confirm they want to receive emails from you. If there are any issues with the validity of the email address, they will never finish the opt-in and you will never have that email bounce and affect your sender reputation.
Even when using double opt-in, all requests for consent must satisfy the following three requirements:
What explicit consent looks like around the world varies, so be sure to check the mass email regulations for the regions you're emailing. These definitions of implied and explicit consent should help you navigate those regulations, help you comply, and help you have successful marketing email campaigns.
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