Yahoo! review: sms-your mobile number has won one million pounds 87

dear sir,
i have received the following message
you won(one million pounds)from yahoo/msn lottery head in london 26august 2009, to claim your prize contact dr mark jude via email(claimdept14@live.com)

dear sir,
i have received the following message-
you won(one million pounds)from yahoo/msn lottery head in london 15august 2009, to claim your prize contact dr mark jude via email(claimdept543@live.com)

Sir,
i have recieved a sms from the number +[protected] informing that i have won $2500 and asking me to call back but when i tried it was said that the number is not available.And then i realised that it was a cheating.Could you tell me what to do.
AJITH KUMAR.N.K

sir, i have recieve a message aganist my mobile number +[protected], stating that
1)Your mobile number won(One million Pounds) from yahoo/msn Lottery head in london, to claim your prize contact Dr Jude Via Email (claimdept543@live.com)

2)WINNER![protected] is chosen For $2500 CASH prize, call +[protected]

Both the message i recieved on 9th and 15th of August... Is it TRUE?

i recieved an sms that i ve won 1 million pound from from london... all bogus rite...

dear sir,
i have received the following message-
you won(one million pounds)from yahoo/msn lottery head in london 14 july 2009, to claim your prize contact dr mark jude via email(claimdept993@live.com)
is it true?

dear sir there is a person using your email service to run negeria 419 scam i know this because it was used on me the email adress is katiawilliams97@yahoo.com i have been in touch with the authorities and now i am contacting you to see if you can investigate this for me and if due to the fact they are using your service for fraud they have lost the right for confidentiality if you can release the billing adress to me i will foreward it to the police i believe they operate from lagos or cotonou in benin