The U.S. Patent and Trademark Office (USPTO) has released Trademark Examination Guide 1-20, which goes into effect on February 15. The Exam Guide implements the Office’s final rule, published July 31, ...

The Internet Engineering Task Force (IETF) document, RFC 3696, “Application Techniques for Checking and Transformation of Names” by John Klensin, gives several valid e-mail addresses that are rejected ...

Email validation is crucial for verifying the legitimacy and precision of email addresses. It eradicates erroneous or inactive addresses from your list, ensuring only authentic and engaged recipients.

Marketing emails sometimes get routed to spam boxes and do not reach the intended recipients, especially without a feature-rich email validation API tool. An email validator API addresses common ...

I tried to sign-on to HealthCare.gov using my govexec.com and hotmail.com email addresses today and was told that both were not valid, blocking me just three screens into the process. Folks, I have ...