in last few decades, Email has become the most effective way of exchanging messages across the web. Gmail is a free email service provided by Google. The main features of Gmail for which people prefer it are it has less spam, having lots of space around and also you can buy more if you want, options like search, labels, stars and filters are of great usability. One can video chat or voice chat in Gmail very easily. But still one may encounter with many problems like:

You may face following errors with Gmail:
Problems in Reading and Composing mail.
Issues in POP and IMAP
Problem in receiving mail and attachments
Unable to block unwanted e-mail address.
Unable to create password.
Re set password.
Change password.
Getting message 'Forgot your password.'
Unblock Gmail Account
Gmail Password Recovery