An advertisement that appears on a Web page, most commonly at the top (header) or bottom (footer) of the page. Designed to have the user click on it for more information (see Microsite)

A blacklisted notice means that the message may not have been delivered due to be flagged on one of the major lists that keep tabs of known spammers. Different ISPs use different blacklists to block mailings from being delivered to their clients. It can be a temporary ban or a permanent one, depending upon the list.

A blocked notice means that the message did not get through due to being considered spam by the subscriber’s ISP. This may be due to being on a blacklist or because the message contains a domain that is already being blocked.

Shortened from “web log” a blog is a user-generated Web site where entries are made in journal style and displayed in a reverse chronological order.

A campaign is a specific message being sent to a specific group of recipients.

The number of times people clicked on the links in your message. This is often referred to as CTR (Click Through Rate). Note: you must have enabled click through tracking in the campaign in order for this to be recorded.

Outside companies like mobileStorm that send bulk emails on behalf of their clients to prevent their messages as being labeled as spam or blocked entirely.

Legitimate messages being labeled as “spam” Can cost companies potentially millions in potential lost revenue if not dealt with correctly.

The Global Permanent Removal List consists of records that are automatically removed from a particular database. Almost all email service providers (ESP) or multi-channel messaging companies maintain these lists for their clients.

Instant messaging (often shortened to IM) is a type of communications service that enables you to create a kind of private chat room with another individual in order to communicate in real time over the Internet.