Any method for acquiring subscribers in which the user must take a positive action to be added to a list.

in Internet or on-line marketing or advertising, permission granted by consumers to Web site marketers to collect their personal information and to send them unsolicited e-mail messages; also referred to as permission marketing. See opt-out.

E-mail marketing according to the opt-in principle means that e-mails are only sent to individuals who have specifically requested promotional e-mails that carry information about certain topics

An online process by which a subscriber requests to receive information such as e-mail advertising and newsletters. An opt-in e-mail list is also called a permission-based e-mail list.

A system proposed by direct marketing groups in which someone can choose to receive e-mail ads. Spammers, however, use phony sites to get people to opt in or simply lie and claim a message was sent "at your request."

An option giving you complete control over the collection and dissemination of your personal information. A site that provides this option is stating that it will not gather or track information about you unless you knowingly provide such information and consent to the site yourself.

A term that refers to the process of obtaining a person's permission before sending them targeted commercial email in the future.

An email marketing term in which the email recipient has specifically requested receiving email related to a specific topic of interest.

Email resulting from a recipient affirmatively requesting to add his/her email address to a mailing list.

Also called "express" or "positive consent." Under this form of consent, commonly referred to as "express consent," the organization presents an opportunity for the individual to express positive agreement to a stated purpose. Unless the individual takes action to "opt in" to the purpose - in other words, says "yes" to it - the organization does not assume consent. (Source: Office of the Privacy Commissioner of Canada fact sheet.)

To give permission for a particular message or messages to be sent to your email address. "Opt-In email" is the business of emailing commercial messages to people who agree to receive these emails. Opt-in provides a quick and efficient way to expand your contact database with the email addresses of visitor's who sign-up (opt-in) for your promotional programs. It's also a quick way for your visitors to give you their email address and give permission to send them information they have an interest in receiving - from newsletters, to interesting articles, to special offers or surveys. (Also see Subscribe and Permission Based email)

A consumer opts-in to a marketing campaign when he or she agrees to be sent information, which might consist of emails, newsletters, catalogs or other mail.

a prospect who has requested free information or signed up for a free service you provide

Members who have voluntarily signed up for your mailing list.

Opt-in is where a customer has given active affirmation that s/he is content to receive communication services (or marketer messages).

Opt-in is a consent-based method of subscribing people to a newsletter or mailing list. In other words, people must actively "choose" to join the mailing list by for instance inputting their email address into a signup form. Double opt-in is a stronger form of opt-in, whereby a confirmation action is required to activate a subscription, typically by means of an activation link embedded in a welcome message sent to the subscriber's email address. Many mailing list hosting companies and affiliate merchants require that the mailing lists they work with be double opt-in to avoid any possible spam issues. The action of building an opt-in mailing list is commonly referred to as permission marketing. See also: Opt-out.

The option giving the consumer complete control over the collection and dissemination of his/her personal information. A site that provides this option is stating that it will not gather or track Personally Identifiable Information about the consumer unless he/she knowingly provides such information and consents to the collection and use of such information. The company must have the consumer's permission prior to collecting or using the information.

means to agree to receive promotional e-mails when registering on a particular website from the site owner and other companies to whom he or she may rent your e-mail address to. At AD-Site.com we only use "opt-in" lists. We do not spam, period.

A method of subscribing people to a mailing list. The key to this is that people choose to join the mailing list on their own.

A way of qualifying list subscribers who explicitly requested to be added to an email list.

advertising approach, in which businesses are able to send commercial e-mail to consumers who have expressed a desire to receive such e-mail.

To voluntarily choose to receive email by providing an email address to a given sender. See also "Confirmed Opt-in" and "Double Opt-in".

Permission email. The action of subscribing to a newsletter or ezine. Usually you have to fill in a form, providing personal information and accept the 'Terms of Agreement' page (after reading it, of course!)

Usually referring to email newsletters that one must specifically request in order to receive.

Requesting to receive information from a company via e-mail. Many companies offer more than one type of e-mail campaign for opt-in.

Refers to when a mobile subscriber has granted permission to be sent marketing e-mails or other bulk promotional messages.

People subscribing to a mailing list that have asked to receive the information or advertising.

Opt-in email is email containing information or advertising that users explicitly request (opt) to receive. Typically, a Website invites its visitors to fill out forms identifying subject or product categories that interest them and about which they are willing to receive e-mail from anyone who might send it.

Opt-in is the process of accepting to receive mail from a sender - newsletter, information etc. This is usually done when you subscribe to some sort of service, newsgroup or product. In some cases, double opt-in, you have to confirm your subscription from a verification email.

This permission-based email communication requires customers to verify the opt-in method before their e-mail addresses can be used to communicate with them.

The permission a user gives you to add him or her to your mailing list.

email that has been specifically requested. This is usually accomplished through a form on a website.

To opt-in or subscribe to an e-mail list is to choose to receive e-mail communications by supplying your e-mail address to a particular company, website or individual thereby giving them permission to e-mail you. The subscriber can often indicate areas of personal interest (e.g. mountain biking) and/or indicate what types of e-mails she wishes to receive from the sender (e.g. newsletters).

When a user willing joins a subscription to a newsletter or some other service.

The Opt-in approach to data release leaves the burden of protection on the business or governmental entity. The subject of the information must give the organization the permission to use their data for other than the original purpose. If such permission is not given, the organization cannot release the subject’s data to third parties or use it for purposes other than what it was intended.

When an e-mail list is opt-in, it means that subscribers to that list have stated that they want to receive promotional messages from designated sites and/or within selected categories. In other words, they've given their permission on the front end, before ever having received a solicitation. This permission enables e-mail marketers to promote to people who are actively, rather than passively, interested and also allows them to target based on selected categories of interest.

A term popular in news groups and e-mail. You can opt-in to receive e-mails on a certain subject. For example, by establishing an opt-in on your Web site, you can send customers an e-mail when you have a sale.

The process of getting someone's explicit permission to send them email. For example, when you subscribe to a newsletter through a form on a website, you are opting-in to receive it. Also see double opt-in.

Direct Email systems that send only to people who have volunteered to receive advertising. [ See Direct Email

An approach to email marketing in which customers must explicitly request to be included in an email campaign or newsletter.

Refers to the act of a user giving a company permission to use his/her information to market the company's products and services.

A specific, pro-active, request by an individual email recipient to have their own email address placed on a specific mailing list. Many list renters and buyers now require list owners to provide proof of opt-in, including the actual email or IP address date and time the request was received.

Means you are actively indicating your preference to participate in a program, email, feature, tool, or enhancement on a website. Typically, if you "Opt-in" you must provide certain information, usually Personally Identifiable Information, to the website or otherwise actively indicate your choice or preference to participate in the website program. For example, if you wish to receive a newsletter by email from CRICO-RMF, you must enter your email address and choose the type of newsletter by checking a box next to a statement such as: "Yes, I'd like to receive the CRICO-RMF Newsletters."

Where an individual deliberately requests to join a service or receive more information.

The people subscribed to a mailing list have asked to receive the information or advertising. (Double Op-In means the person requesting information must confirm their desire to receive it by responding to an email message after subscribing.)

The use of express consent to collect, use or disclose personal information. Also known as positive consent, opt-in should be obtained by the organization before transfer of information that a reasonable person would consider sensitive to a third party (Example: financial, health information or certain video rentals or magazine subscriptions).

Refers to an individual giving a company permission to use data collected from or about the individual for a particular reason, such as to market the company's products and services.

Usually referring to e-mail, it is when permission is given to send e-mail (often newsletters and email advertisements) to a specific email address.

opt in mailing list A list of  subscribers to a mailing list

Technically, opt-in email marketing means sending marketing messages only to people who explicitly requested them. If a customer asks for a specific piece of information, you have the permission to send that information and nothing more. In practice, however, some spammers consider anyone who hasn't explicitely "opted-out" to be "opt-in".

An online process by which a user chooses to receive information (such as e-mail newsletters) or software, often by checking a check-box on a Web page or software installation screen.

When a user explicitly permits a website to collect, use, or share his or her information.

Marketing centered around obtaining customer consent to receive information from a company.

(versus " opt-out") An option that requires your explicit consent for the use and disclosure of your personal information beyond the original, primary purpose for which it was collected. For instance, example.com may provide an empty check-box and state, "I permit example.com to share my personal information beyond the purpose for which it was collected". The company thus requires you to affirmatively consent, or opt-in, before it will use or share your personal information beyond the primary purpose. The Web site's default program assumes that you have not consented to such use unless you check off the box.

An option giving you the ability to agree to the collection and dissemination of your personally identifiable information. A site that provides this option is stating that it will not gather or track personally identifiable information about you unless you knowingly provide such information and consent to such activities.

Request by a prospect or customer to be included on a list; an opt-in list consists only of individuals who specifically asked to be included.

The action a person takes when they agree, by email or other means, to receive communications. It requires a mechanism to encourage and allow people to become recipients.

A mailing list that a member must deliberately sign up for is an "opt-in" list. Such a list must require a confirmation from a person prior to adding them to the list.

Allowing unsolicited communication for purposes of direct marketing only with the consent of the subscriber.

A specific request by an individual e-mail recipient to have their own e-mail address placed on a specific mailing list.

Another key element of effective list management, Opt-in givesprospects and customers the choice of receiving future communications from your company or a third party. The Opt-in feature ensures that a company is engaging with qualified, interested leads with its targeted emails.

A term that refers to any subscriber that has specifically requested an email newsletter. If they have signed up through your web site, they are opt-in. If you used a spider to harvest emails from the Internet and then added these persons as subscribers to your site, they are not opt-in. This latter tactic is often used by those who send out spam.

Opt-in email lists are lists where Internet users have voluntarily signed up to receive commercial e-mail about topics of interest.

An email list comprised of members who have voluntarily signed up, rather than being added without their permission (see Spam); also, the act of subscribing to a list

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.

A method of confirming an email address when signing up for something on the internet. After signing up for a free online newsletter for example, you may receive an email to that address asking you to confirm your request for subscription to this newsletter. The opt-in email method is great for visitors as it prevents people from signing you up to random programs and having you end up with loads of junk mail in your inbox, and great for websites as it provides them with a legit list of email addresses. Opt-in email marketing is also great for avoiding being blacklisted by ISP's.

When you opt-in to a newsletter or mailing list, you subscribe to it, usually by entering your email address into a signup form. A double opt-in is where a confirmation is required to activate the subscription. This is sometimes called “permission marketing”.

To purposefully accept some situation or condition ahead of time. For example, to opt-in to an e-mail campaign means that you want to receive periodic newsletters or information, which may include advertising from the publisher or third parties. An opt-in program implies that you can cancel the service, or "opt-out." A lot of spam is sent out under the guise that, at one point, you did opt-in for the program, which may or may not be true.

When users give marketers explicit permission to send them information.

Often related to E-mails that have been requested by the recipient, but can refer to the simple act of the customer requesting a named service, as opposed to Opt-out, which reflects the customerâ€(tm)s desire to be excluded from a particular service.

email that is explicitly requested by the recipient.

This is what a consumer does to have a mailing sent to them.

When someone chooses to receive information from you, emailed to them, they are said to "opt-in" to your email list.