Gmail was among the first to offer users 1 gigabyte of free space. When Gmail came to, it was common to webmail services (Hotmail, Yahoo, Swedish Spray others) had only a few megabytes of storage for mail. This space was filled for many users quickly up and you had to throw messages to make room for the new. Gmail's philosophy is that the user should never have to delete messages, instead'll functionality from Google's search engine used to find a particular letter or an old conversation. Since April 1, 2005, space Gmail offers doubled to 2 gigabytes, and it is continuously growing by about 3.3 megabyte per day. For a long time was the space to over 7 gigabytes but in April 2012 it was expanded directly to 10 gigabytes.
Google has Gmail has introduced some new features that are not found in competitors' services. One such feature is that received and sent messages related to "bundled" so they form conversations
(Conversation views). Gmail trying to determine if a newly posted message is part of an existing conversation or the beginning of a new one, by looking at different parts of the message, including the subject line, sender and date. Because they already read parts of the conversation presented in compressed format saves space on the screen, while you can easily go back and read the previous messages belonging to the conversation.
Gmail has a built-in spam filter that moves spam classified messages to the spam folder. Spam filter's reliability was criticized in the beginning when it was shown to have an accuracy of only around 40%
(as a test of Spam My Gmail Account). It then increased to 60% and was still classed as good enough. In recent times, it has become much safer. This is because when a Gmail Users report a message as spam, the data is sent to Google, which they analyze the message. It turns out that it is spam, do the developers of Gmail certain settings so that messages of this type continue to fall directly into the spam bin. Nowadays, Gmail's spam filters, a fairly high hit safely in terms of recognizing what is spam and not spam.
Here you can select various settings to save or not save chats, choose how many and which should be up in a special window at the left of the interface and who has the opportunity to chat with you. Appearance is similar to Google's separate chat program Google Talk and security settings made here can also be seen in Google Talk and even the other way.
First, July 7, 2009 was the beta stamp is removed from the service but it is still under development by the service Gmail Labs. From the beginning Google offered its employees and their families and friends to become a beta tester. These had to use the service to find faults before the service became public. At a later stage were active users of the community blogger.com chance to test the service. These were provided later in various rounds of invitations that they could send to friends and acquaintances. During the spring and summer of 2004 was an invitation to Gmail sought after, mainly because of two reasons. If you could come across an invitation was a good chance that the desired user name was still free. In addition, it provides in some circles certain respect to boast a Gmail address, an address that "anyone" can not acquire. On the American auction site eBay auctioned coveted Gmail accounts out and could in some cases raise several thousand dollars. It also created services such as Gmail Swap, where barter of Gmail accounts and Gmail invitations idkades of prospective buyers.