Prohibited Email Actions&nbsp;</strong> <p>a.&nbsp;You may not use HubSpot to send spam. Spam can be in the form of bulk email or one to one commercial emails.</p> <p>Bulk email is spam when it is unsolicited. Unsolicited means the recipient has not granted verifiable permission for the message to be sent. Bulk means that the message is sent as part of a larger collection of messages that have substantively similar content. <br>One-to-one commercial emails are spam when they violate CAN-SPAM.