The end of every email you send includes text you didn't write. If your contacts receive text that you didn't write at the end of every email youYahoo! Account

Someone changed my account information. My contacts receive IMs or emails from me asking them to take an IQ quiz, offering a prize, or asking for money or their password.<...

Contact their ISP to request that appropriate action be taken against their customer. Delete contacts and linked accounts that you don't r...

Sending an email to a large number of recipients: Unfortunately, due to our spam policy, w

Messages sent from Yahoo! Customer Care will always show a in your inbox to indicate that the message was sent from an official Yahoo! If you receive message(s) from Yahoo! that does not have this indicator, then it is recommended you &q...

The message went to the recipient's Spam folder. Ask the recipient to check if the email was accidentally filtered as spam . The message w...

This condition could happen if: If spam had been sent from this account, ourYahoo! Account

Never respond to unsolicited email/spam. To the individuals who send spam , one "hit" among thousands of mailings is enough to j...

Your Marketing Preferences are intended to give you a choice about how we communicate with you to ensure the communications you receive ar...