Hi..my Yahoo account says there is suspicious activity on my a/c and won't let me send emails all of a sudden,

Hi,

The prompt you are receiving is called "Second sign-in verification," and it is designed to protect your account from unauthorized access. You can clear the prompt by having a verification code sent to your non-Yahoo! alternate email address or mobile number on file. If you don't have either of these options, you can contact the Account Security team by filling out the following Help form:

http://io.help.yahoo.com/contact/index?l...

Please submit a request on this issue by selecting Yahoo! Accounts as the product, suspicious activity as the category, and received security warning prompt as the subcategory.

Note: Be sure to completely fill out the help form so that the support team has all of the information necessary to assist you.

Thanks.
Technical Support

Go to mail.yahoo.com I cannot access my account -> I think my account has been compromised.

Hi, This has been happening to lots of yahoo users for quite some time now, this is actually a glitch in yahoo's system. I've read some blogs and confirmed that the problem occurs when sending emails, this has been reported to yahoo but still no updates. I've also read a blog spot in UK that they're getting alerts when using a mobile, hope this work around helps.

This is a Yahoo problem which has been around since mid last week.. Not much you can do but wait.

Hello

To how many recipients did you try to send your email? Chances are Yahoo Mail automatically suspected your account as a spammer account. You need to wait 24-48 before you can send messages again.

Hi, Jodi.

Unfortunately, there is no set time amount before YM releases an account from security lockdown.

It will wait anywhere from a few hours, to a few weeks, depending on the type of activity that was reported.
The more severe the problem, the longer they wait.

You can try sending an e-mail to yahoo support, and let them know what the problem is, they may release the account if you let them know what is going on.

I hope this helps you understand what is going on, and have a good day !

If they cant help you, unfortunately i would reccommend making a new yahoo account or even use another email provider!

1. I think you are getting this message because some of the Yahoo! Mail users has declared your e-mails as "SPAM"!

2. Thats why you are not allowed to send any more mails to anybody!

3. You should contact the Yahoo! support for the solution of this problem!

Yahoo! Support :
http://help.yahoo.com/l/us/yahoo/mail/yahoomail/technical/technical-06.html;_ylt=Avo1V9qhk8fNhWLsGMeZFiEunCN4

please rate this advice if it helps...tc! :)

check your attachment yahoo block it you can use winzip or winrar to compress then send it.

Most probably, someone is using your account to send spam mail.
First and foremost, CHANGE YOUR PASSWORD IMMEDIATELY. Use a strong password - with letters, numbers, symbols and long enough to make it difficult to guess. Also, notify Yahoo of the problem.
Still, it may take a while before Yahoo "white-lists" you again.
All the best.