{"id":4604,"date":"2024-04-18T18:42:33","date_gmt":"2024-04-19T01:42:33","guid":{"rendered":"https:\/\/blog.sociamonials.com\/glossary\/email-address\/"},"modified":"2024-04-18T18:42:33","modified_gmt":"2024-04-19T01:42:33","slug":"email-address","status":"publish","type":"glossary","link":"https:\/\/blog.sociamonials.com\/fr\/glossary\/adresse-electronique\/","title":{"rendered":"Adresse \u00e9lectronique"},"content":{"rendered":"

An email<\/a>[2]<\/a><\/sup><\/span> address, serving as a distinct marker for an individual’s electronic mail account, adheres to a specific format: local-part@domain. The local-part, not exceeding 64 octets, denotes the specific mailbox, and the domain, limited to 255 octets, points to the mail server. These email addresses are indispensable for correspondence through PCs, mobile devices, or webmail platforms, and frequently serve as user verification on websites. Yet, the correct format doesn’t necessarily confirm existence. Methods like callback verification are utilized to validate the existence of mailboxes. Emails are relayed via the Internet<\/a>[3]<\/a><\/sup><\/span> utilizing the SMTP protocol as defined in RFC5321 and 5322, with the SMTP client employing the domain name<\/a>[1]<\/a><\/sup><\/span> to locate the mail exchange IP address. Moreover, the IETF has made strides to internationalize email addresses, allowing non-ASCII characters. The email address’s domain must comply with stringent rules, including a character limit of 63 and the incorporation of letters, digits, and hyphens.<\/p>\n

Terms definitions<\/div>
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1. <\/span> ↑ <\/a><\/span> domain name<\/a>. <\/span> Domain names are textual identifiers that signify internet resources, including computers and services. They symbolize ownership or control of a resource and offer a memorable name for these entities. The structure of a domain name consists of labels concatenated and separated by dots, arranged in a hierarchy from right to left. Each label can hold 1 to 63 octets, and the total domain name should not go beyond 253 ASCII characters. The Domain Name System (DNS) converts these domain names into IP addresses, aiding in the distribution of web traffic among various servers. Organized in a tree structure, domain names have Top-Level Domains (TLDs) like .com, .org, .net at the topmost level. The Internet Corporation for Assigned Names and Numbers (ICANN) manages the allocation of TLDs and accredits domain registrars. Domain names can also be internationalized, with numerous registries adopting the Internationalized domain name (IDNA) system approved by ICANN. The domain name sector is vulnerable to cyber threats such as spoofing, but protective measures are in place. <\/span><\/div>
2. <\/span> ↑ <\/a><\/span> email<\/a>. <\/span> Email, a vital communication tool since its introduction in 1975, has become an integral part of our daily lives. This system functions over computer networks and the internet, enabling global message transmission and reception. While 'email' is the commonly accepted term in style guides, variations such as 'E-mail' are occasionally used, especially in American and British English contexts. The process of this system includes a sender composing a message via a Mail User Agent (MUA), which then sends it to the recipient's mail exchange server. The recipient's MUA subsequently retrieves the message. Thanks to the Multipurpose Internet Mail Extension (MIME), emails can now include multimedia content. For safety, email systems employ a store-and-forward model, whereby email servers receive, forward, store, and deliver messages. This method facilitates email exchanges without requiring users to be online simultaneously. <\/span><\/div>