When the owner of an email address unsubscribes, this indicates that the individual no longer wishes to receive emails from your organization. People can unsubscribe either by clicking the "Unsub [..]

Members are the subscribers you have in a given mailing list. The different member status types are as follows:

Stands for "Application Program Interface," though it is sometimes referred to as an "Application Programming Interface." An API is a set of commands, functions, an [..]

An email that can be set up so that replies to a particular address will automatically receive a pre-defined response.

The amount of traffic that is allowed to occur between a site/server and the rest of the internet. In other words, bandwidth is the amount of traffic to allow transferring data between your site, your [..]

Lists of IP addresses belonging to organizations that have been identified as senders of SPAM (unsolicited commercial email). Blacklists are often used by ISPs and corporations as part of the filterin [..]

When emails are prevented from reaching their intended destination, typically due to action taken on the part of the Internet Service Provider (ISP).

The CAN-SPAM Act of 2003 (Controlling the Assault of Non-Solicited Pornography and Marketing Act) is a federal law that establishes requirements for those who send commercial email. It spells out pena [..]

A Clickstream is the recording of what a computer user clicks on while web browsing or using a personal computer.

When a subscriber joins your mailing list an immediate emailed message is sent requesting confirmation of their intentions by replying to the email. This provides an additional layer of security by re [..]