: For webmasters, the Yahoo Help Center explains how to use a robots.txt file to control how Yahoo’s "Slurp" spider crawls your website.
: A TXT record that lists authorized IP addresses allowed to send email for your domain.
: The name stands for Yet Another Hierarchical Officious Oracle .
: A policy that uses both SPF and DKIM to tell Yahoo what to do with emails that fail authentication (e.g., "p=none" for monitoring or "p=reject" for security). 3. Guide to Managing Yahoo Content