Yahoo is one of the commonly used oldest free web based email service provider. Yahoo web based email services have been introduced by Yahoo Inc. Yahoo has given many new features and applications to their users. For using this yahoo email services you need not required computer or laptop. Now you can use this email services on your smart phones and tabs. You just required internet connection. Now day’s few people have every evil mentality they always try to use someone else information in order to misuse their information and to destroy their life. Because of that yahoo has taken some initiative in order to protect your account. Since yahoo has their free account users and business account users both. People use to send newsletters and mass mailers to their customers. So sometime it happens that when you try to send all this bulk mails suddenly you will not be able to send a single mail and you are keep on getting error message 475. That time you must need instant technical support from technical experts. So one best solution of this issue is call up yahoo customer service phone number and they will fix this issue for you.

When you will call Yahoo customer support people you have to explain your problem in brief and these technical experts will resolve you’re this problem instantly. Yahoo technical support experts will guide you how can you resolve this issue. You just have to follow their instructions.

 First you have to change your old password.
 Always choose complex password for your account so that no one can easily guess that.
 If you are tried log in to your Gmail account from any other location different from the one you usually use, particularly from outside of your home country, or if you have newly changed ISP providers, you can face this problem. So try to avoid these entire things.
 Always trey to login to your account from safe sources so that no can misuse your information.
 It might be possible sometime you use some suspected link into your signature or mail and yahoo has identified some suspected activity going through you account then also you can face this problem so try not to use any such suspected links in your mails.

In spite of following this steps if you are not being able to fix this issue then just call yahoo technical support helpline number and they will fix this issue from your behalf.