E-mail marketing terms

Opt-in : The action of agreeing to receive e-mails from a particular company, group of companies or associated companies, by subscribing to an e-mail list.

Opt-out : A mailing list which transmits e-mails to people who have not subscribed and lets them "opt-out" from the list. The subscribers' e-mail addresses may be harvested from the web, USENET, or other mailing lists. ISP policies and some regions' laws consider this equivalent to spamming.

Personalization : The use of technology and customer information to tailor e-mails between a business and each individual customer. Using information previously obtained about the customer, the e-mail is altered to fit that customer's stated needs as well as needs perceived by the business based on the available customer information, for the purpose of better serving the customer by anticipating needs, making the interaction efficient and satisfying for both parties and building a relationship that encourages the customer to return for subsequent purchases.

Privacy : The Privacy Act of 1974, Public Law 93-579, safeguards privacy through creating four procedural rights in personal data. It requires government agencies to show an individual any records kept on him/her; also requires agencies to follow "fair information practices" when gathering and handling personal data. It places restrictions on how agencies can share an individual's data with other people and agencies and also lets individuals sue the government for violating its provisions.

Rental list: A mailing list that can only be used once or for a limited time. The user of the list pays the owner of the list less money than if he/she would have bought the list outright. Note that this term is usually used for lists generated by address harvesting or other means; the investment made by the list creator does not correlate with the permission of the e-mail recipients. Many firms who "rent" or "buy" a list face spam complaints afterward from persons who never subscribed.

Segmentation (or Targeting): The use of previously gathered information to send e-mails of a particular offer to a subset of the list.

Soft bounce: A soft bounce is an e-mail that gets as far as the recipient's mail server but is bounced back undelivered before it gets to the intended recipient. it might occur because the recipient's inbox is full. A soft bounce message may be deliverable at another time or may be forwarded manually by the network administrator in charge of redirecting mail on the recipient's domain. On the other hand, a hard bounce is an e-mail message that has been returned to the sender because the recipient's address is invalid.

Spam or UCE (Unsolicited Commercial e-mail-UCE) :From the sender's point-of-view, spam is a form of bulk mail, often sent to a list obtained by companies that specialize in creating e-mail distribution lists. To the receiver, it usually seems like junk e-mail. Spam is equivalent to unsolicited telemarketing calls except that the user pays for part of the message since everyone shares the cost of maintaining the Internet. Spammers typically send a piece of e-mail to a distribution list in the millions, expecting that only a tiny number of readers will respond to their offer. The term spam is said to derive from a famous Monty Python sketch ("Well, we have Spam, tomato & Spam, egg & Spam, Egg, bacon & Spam...") that was current when spam first began arriving on the Internet. SPAM is a trademarked Hormel meat product that was well-known in the U.S. Armed Forces during World War II.

Spam filter : Software that is usually installed in the users e-mail client, with the purpose of avoiding spam e-mail to get into the client's inbox or at least to be flagged as such.

Subject line: It is one of the most important issues in e-mail marketing. The better the subject line of an e-mail, the better probability of being opened by the recipient.

Targeting (or segmentation) :Sending e-mails to a subset of a mailing list based on a specific filter, trying to improve CTR and/or open ratios.

Tracking : The act of reporting CTR, open ratios, bounces, etc.

Trigger based messaging : Triggering a message based on an event or interaction with a previous message. Popular for customers who request more information

Unique click : During a particular period, a visitor to a website could click several times on a particular link, but during that period it is counted only as one and considered a unique visitor.

Unsolicited commercial e-mail (UCE) : Commercial e-mail, usually of an advertising nature, sent at the expense of the recipient without his or her permission. Sending UCE is an offense against all major ISPs' terms of service, and is a crime in some jurisdictions.