Yes, Texas Business and Commerce Code Sec. 321.114 gives internet service providers and email service providers the authority to block emails that the ISP or email provider reasonably believes are in violation of 321.052 (the Texas anti-Spam laws). The provider must have in place a reasonably accessible mechanism to unblock the emails, should the sender believe s/he is in compliance with the law. The statute is listed below.
AUTHORITY TO BLOCK CERTAIN COMMERCIAL ELECTRONIC MAIL MESSAGES; QUALIFIED IMMUNITY. (a) An electronic mail service provider may on its own initiative block the receipt or transmission through its service of any commercial electronic mail message that the service provider reasonably believes is or will be transmitted in violation of this chapter, if the service provider:
(1) provides a process for the prompt, good faith resolution of a dispute related to the blocking with the sender of the commercial electronic mail message; and
(2) makes contact information for the resolution of the dispute accessible to the public on the service provider’s Internet website.
(b) An electronic mail service provider who complies with Subsection (a) may not be held liable for blocking the receipt or transmission through its service of any commercial electronic mail message that the service provider reasonably believes is or will be transmitted in violation of this chapter.
