An Introduction To Email Servers

To send e-mail, you need to connect to the InternetSendmail gives up and sends you a failure notification.
and an e-mail application, such as Microsoft OutlookWhen the e-mail is received at the destination mail
Express or Eudora. The e-mail application connects toserver, it is stored until it is retrieved by the addressee.
your mail server that can forward your mail. TheTo retrieve your e-mails, your e-mail client (such as
standard protocol used for sending Internet e-mail isMicrosoft Outlook or Outlook Express) connects to the
called SMTP, an acronym for Simple Mail TransferPOP3 or IMAP server and issues a series of
Protocol. It works in conjunction with a POP3 (Postcommands to download copies of your e-mail
Office Protocol) server or an IMAP (Internet Mailmessages to your computer.
Access Protocol) server, which are used to receiveE-mails can be sent anywhere in the world to anyone
e-mails.who has an e-mail address. Almost all Internet service
When you send an e-mail message, your computerproviders (ISPs) offer an e-mail address with every
transmits it to an SMTP server using the Internet. Theaccount.
server looks at the e-mail address (like the address onInitially, when e-mail technology was introduced, only
an envelope), then forwards on it to the recipient's mailshort messages could be sent. Attachments such as
server using an application called Sendmail. If for someformatted documents, photographs etc could not be
reason, the recipient?s e-mail server is inaccessible,sent. With the introduction of Multipurpose Internet Mail
Sendmail periodically re-tries to send the e-mail. If afterExtension (MIME) and other encoding techniques, it has
4 hours the e-mail has not been delivered, you receivebecome possible to send almost any kind of
a notification informing you about the problem. If theattachments.
e-mail cannot be delivered even after 5 days,