How Email Works

How EMAIL Works What happens to your emall from the Instant you click send to the moment the reciplent opens the message. Mail Successfully Sent EMAIL SERVER The message is sent to an emall server by using the Simple Messaging Transfer Protocol (SMTP). DNS Here the emall's domaln Is translated Into an IP address. THE INTERNET DNSBL For a few nano seconds, the message hops around the Internet as it makes the The DNS-based blackhole ust filters through messages and blocks emall spamming. connection to the destination computer. FIREWALL / PROXY DNS Here the IP address of the reciplent Is translated to the local domaln. EMAIL SERVER The Message Delvery Agent (MDA) then dellvers the message to the server's mallbox. Уоu'ие Got Mail At the destination computer, a POP/IMAP server fetches the message and stores it in the computer's mallbox, ready to be read. www.atmall.com POP / IMAP SMTP SMTP SMTP SMTP SMTP -->