Spam
What is Yahoo!'s spam and abuse policy? How do I report spam? I want this email! But it went into the Bulk folder. What do I do? Do you have any advice for emails I get from people I don't know? How do I find out who sent the email? What's the Bulk folder? How long do messages stay in my Bulk Folder? Can I control this? Do messages in my Bulk folder count toward my quota? How do you know which messages to send to my Bulk folder? How do I read the messages in my Bulk folder? What if I don't want to read the messages in my Bulk folder? What if I want to get every single message in my Inbox that's sent to my address, even messages that smell a lot like spam? What's the difference between solicited and unsolicited commercial email? How do I block images? How do I report abuse to Yahoo!?
Virus Protection
What's a virus? What are virus scanning and virus cleaning? Are computer viruses sent via email a threat to me? If my file has a virus, does that mean my computer is infected? Can I turn off virus scanning? Why does it say that virus scanning is temporarily unavailable?
Phishing
What is password “phishing?” How do I report phishing web sites or emails to Yahoo!? What is a sign-in seal? How do I create a sign-in seal? I received an email claiming to be from Yahoo! asking for my password or other personal information. What should I do if I think I've been tricked into sharing my password, or bank or credit card numbers or other private information? What Can I Do To Protect Myself From Phishing?
Block Addresses and Domains
Postmaster
My email is being blocked by Yahoo! Mail. What can I do? As a sender, what can I do to ensure that my email goes to the right folder? Why was my SMTP connection rejected? Why am I getting “451 Message temporarily deferred” or "421 Message from x.x.x.x temporarily deferred" errors when sending mail to Yahoo!? Does Yahoo! use "greylisting" to reject messages? My email was not accepted for policy reasons.