A/B TEST OR SPLIT TEST : A method that involves sending two different versions of a message to segments of your audience to see which version performs better.
ANTISPAM (FILTERS) : Antispam filters analyze every email to block spam. As their rules are constantly changing, nothing can guarantee 100% delivery to the inbox.
DATABASE : In email marketing, the term database refers to a list of contacts or recipients.
BLACKLIST : The English term blacklist refers to a list of email addresses considered unsubscribed from a database.
CALL-TO-ACTION : Call-to-action means an action button.
AUTOMATED CAMPAIGN (trigger) : Automatic sending of a message triggered by a contact's behavior or an action they take.
PERSONALIZATION FIELD (dynamic, mail merge…) : A placeholder field personalizes an email by adapting certain words (title, name, etc.) to the recipient. It can be applied to any information available about them (age, address, history, etc.).
DEDUPLICATION : Deduplication removes duplicate entries from a database to avoid sending multiple emails. It protects the sender's reputation and limits unnecessary costs.
DELIVERABILITY : The ability of an email to reach the inbox rather than the spam folder. Difficult to measure precisely, but it can be improved by following good email practices (content, sending address, list quality).
DMARC : A protocol that helps email providers identify emails whose sender has not been verified, to combat spam and phishing.
DOUBLE OPT-IN : Consent (opt-in) confirmed a second time, in the case of a form signup.
EMAILING : The practice of sending an email to a targeted group of recipients to prospect, sell, inform, or build loyalty.
EMAIL MARKETING : An email (or strategy) whose purpose is to sell or showcase a product, as distinct from a newsletter.
TRANSACTIONAL EMAIL : An automatic email related to an action a user takes on their account, such as an order confirmation or password reset.
SENDER : The person, department, or company on whose behalf the email is sent.
ISP : A company that provides Internet access, often with an email inbox.
FOOTER : The bottom of the email, where legal notices, the unsubscribe link, and social media links are generally found.
HARD BOUNCE : A permanent sending error: the email will never be delivered, often because the address is invalid.
HEADER : The top part of the email, before the content, which displays the sender and introduces the message.
HONEYPOT : A trap email address created to identify spammers who illegally collect addresses.
HTML (format) : A format that lets you lay out an email with images, colors, and custom styling.
NEWSLETTER : Informational email designed to generate traffic rather than sell directly.
DOMAIN NAME : Domain used to send a campaign, ideally personalized to reassure recipients and avoid the effects of a shared domain.
NPAI : Equivalent to a “bounce,” refers to an email that could not be delivered to the recipient.
SUBJECT : Line visible in the inbox that encourages the recipient to open the email, generally short (30 to 45 characters).
OPT-IN : Consent given by a user to receive emails.
OPT-OUT : Unsubscribing from a mailing list, generally via a link at the end of an email.