Since I left Yahoo! Messenger in favor of Google Talk, I use it less and less Yahoo! Mail. However, some contacts and accounts have passed as the primary email address, the Yahoo! address.
Today I had to send an email to Orange WebShop (the address I sent mails from Yahoo!) and the first strange thing I saw in the Yahoo account! Mail was:

Come on, let it be…that they misspelled a letter in the name of a city, and lip came to be called Lip, it wouldn't be a problem. But, after I write more than 20 minutes to an email, and after I give it to him “Send”, an error like this appears:

and after “Continue” I find that from the message written on 20 lines, they didn't save themselves than two … you kind of miss the devil. You go straight to your Gmail account and send the mail from there.
Suspicious activity detected on your account. To protect your account and our users, your message has not be sent.
What do I understand from here..
Suspicious activity detected on your account. – It's suspicious as hell from the box of Yahoo! Mail I wanted to send a message.
To protect your account and our users, your message has not be sent. – To protect your account and our users, your message has not been sent.
WTF!?!?!??! What plm protection do they have? I was no longer logged in with another account on the PC, and another person from another PC was definitely not logged in to my account.