May 24, 2015
To reduce the number of unwanted email and texts you receive, use these tips:
Be careful about giving out your mobile phone number, email address, or any other personal information.
Read through commercial web forms. Some websites allow you to opt out of receiving email from partners – but you may have to uncheck a preselected box if you want to do so.
Check for a privacy policy when submitting your wireless phone number or email address to any website. Find out if the policy allows the company to sell your information.
Do not respond to unwanted texts or emails from questionable sources. Several mobile service providers allow you to forward unwanted texts by simply texting it to 7726 (or "SPAM") to block the sender. Check with your provider about other options.
Use a "junk mail" or "spam" email filter.
https://www.fcc.gov/guides/spam-unwanted-text-messages-and-email