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Email address:
The combination of a unique user name and a sender domain. The email address requires both the user name and the domain name.

 Email Append:
This is the process of adding an individual's email address to that individual's record inside an existing database. This is accomplished by matching the database against another in-house or third-party, permission-based database to produce a corresponding email address.

Email client:
The software recipients use to read email, such as Outlook Express or Eudora.

Email Domain:
The portion of the email address to the right of the @ sign. Good indicator of the email's validity and origin.

Email filter:
A software tool that categorizes, sorts or blocks incoming email, based either on the sender, the email header or message content. Filters may be applied at the email client, the recipient's mail server, at the email client, the ISP or a combination.

Email list management software:
Application that allows users to collect, import and manage subscribers. CRM systems now have this function.

Email marketing software:
Allows users to send out newsletters to their lists and track results. Standard features include mail-merge personalization, message scheduling, and bounceback handling.

Email newsletter:
Content distributed to subscribers by email, on a regular schedule. Content is seen as valued editorial in and of itself rather than primarily a commercial message with a sales offer. Also known as an ezine.

E-mail newsletter advertising:
Buying ad space in an e-mail newsletter. Advertisers pay to have their ad (text, HTML or both depending on the publication) inserted into the body of the newsletter. E-mail newsletter ads and sponsorships allow advertisers to reach a targeted audience driving traffic to a website.

Email Prefix:
The portion of the email address to the left of the @ sign.

Email vendor:
An email broadcast service provider, a company that sends bulk (volume) email on behalf of clients.

Email service provider (ESP):
A company that sends and manages e-mail campaigns on behalf of clients. They broadcast e-mail lists from their own servers and domains. The advantage of contracting an ESP for your campaigns is that their mail servers have a higher delivery ratio than a standard company mail server. The ESP have a close relationship with ISPs and mail services like hotmail so emails from their domains and IP addresses have a lower bounce ratio.

Event triggered email:
Pre-programmed emails sent automatically based on an event such as a date or anniversary.

Extrator:
A spam related program designed to locate and compile email addresses from web pages, online dicussion forums, ad Internet databases. A process which is also known as harvesting emails.

Ezine:
An "electronic magazine". Also known as a newsletter. Usually sent on a regular schedule. Is content rich, not an announcement or commercial proposition.