A technique used by spammers to slow down the transmission rate of unsolicited emails (spam) that are sent in bulk. For example, If the spammer has 10,000 emails to send, they may send the messages in groups of 25 at a time adding a delay in an SMTP communication between mail servers. When delaying the sending of mass numbers of email messages, the spammer is more likely to avoid having his or her spam behavior detected by an ISP.
Stay up to date on the latest developments in Internet terminology with a free weekly newsletter from Webopedia. Join to subscribe now.
Webopedia's student apps roundup will help you to better organize your class schedule and stay on top of assignments and homework. Read More »List of Free Shorten URL Services
A URL shortener is a way to make a long Web address shorter. Try this list of free services. Read More »Top 10 Tech Terms of 2015
The most popular Webopedia definitions of 2015. Read More »
The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare... Read More »Computer Architecture Study Guide
This Webopedia study guide describes the different parts of a computer system and their relations. Read More »What Are Network Topologies?
Network Topology refers to layout of a network. How different nodes in a network are connected to each other and how they communicate is... Read More »