What is an agent of the mail user?
Mail user (MUA) is an e -mail program; Software designed to collect and send e -mail. It is also referred to as an e -mail program or e -mail client. The term "Mail Agent" is less known to the average person, but is used in the header of the e -mails. The header of the E -mail delivery information to mail servers or computers that process messages across networks such as the Internet. Network standards
have been determined to allow the exchange of messages from the virtual unlimited client fund. To this end, each agent of the mail user processes text messages, graphics and connected messages in a similar way. When the user sends e -mail, a number of information is sent with the message to ensure that he gets his goal. This other "address" information is included in the header and name of the e -mail program as "Mail user agent".
e -mail sent from the Internet service provider (ISP) is solved by this ISP postal server, which is the equivalente -mail. The mail is first on the postal server, processed and handed over to the goal. The postal server is appropriate. It accepts all the incoming post office and electronically sorts it into mailboxes. The recipient will pick up the e -mail using his e -mail program to connect to the mail server that requires items from the mailbox.
Another type of mail agent is based on the web. In this case, the e -mail program is built into the public use site. The server is located many postpayers accounts to which users have access through the provision of username and password. After logging into the mailbox, you can write and send e -mail or collect e -mail. Each user maintains a unique e -mail address assigned by a site for its exclusive use.
The advantage of a web client for mail users is that you can access nAnd the web account wherever is available to internet internet. It can be from a friend of a friend, mobile phone or traveling using a hotel or internet cafe. The disadvantage of the web e-mail is that all mail sent and received on a public postal server rather than on the private postal server ISP. Web postal server may be less secure than your ISP postal server, although no email is really private if it's not encrypted.
Microsoft ™ Outlook Express ™, David Harrisa Pegasus ™ and Mozilla ™ S Thunderbird ™ is one of the most popular user agents. Favorite Shareware clients include Opera Mail ™ (Opera browser volume), bat! of ritlabs and many others.