Yahoo Mail is the product of Yahoo, an American multinational Internet corporation which is a popular web portal and search engine offering services like Yahoo Directory, Yahoo Messenger, Yahoo Mail, Yahoo News, Yahoo Finance, Yahoo Groups and Yahoo Answers. It is a web based email service of Yahoo Inc, launched on October 8, 1997. Today, it is counted among the world's few of the best online mail services in the form of business and free service. Jerry Yang and David Filo were key person behind the foundation the yahoo.com. Yahoo allows customers to create his or her account here can easily as it needs a registration that can be done through filling up an online form in Yahoo Mail. Yahoo was used by more than 281 million customers all over the globe in 2012. This web service is used by different web domains according the country; some of web domains of Yahoo are, yahoo.ie, yahoo.ae, yahoo.nl, yahoo.co.nz, yahoo.no, yahoo.com.ph, yahoo.pl, yahoo.pt, yahoo.ro, yahoo.co.th, yahoo.com.tr, yahoo.co.uk, yahoo.com. The company's popularity in last decade has increased, and which has been rapidly increasing every year. Yahoo is one of the well renowned Internet enterprise company, it is engaged in offering various services like online mapping, video sharing and such other services. To make web portal popular, the company has tie-up with numerous content provider which help it to produce various services like Yahoo Sports, Yahoo Finance, Yahoo Music, Yahoo Movies and My Yahoo. To make services easy and convenient, the company has launched many mobile applications that can be easily operated . The postal and official address, email address and phone number (helpline) of Yahoo Mail service center is given below. The helpline of Yahoo Mail service center may or may not be toll free.