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Mass-mailing opt-in and opt-out: global and category-specific subscriptions

September 14, 2013 by Igor Lozhkin
Arnica EmailServer is a mass-mailing system which provides two levels of user subscription (opt-in): system-wide (globally) or by specific mailing category (such as support, marketing, sales, membership, etc.). 

In order for a user to receive an email, user must have both global subscription enabled, as well as the category-specific subscription enabled for the category in the context of which current mailing is executed. If a user opted-out from any of these two subscription types, no email is sent to the user.

Such two-level subscription model provides a more flexible approach for managing recipient opt-in. Users may select what kind of mailings they prefer to receive, and organizations may assign different subscription categories to different departments. 

The end effect of global and category-based subscription is summarized in the following table:

user_global_and_category_subscription_effect_on_email.png

User subscription management is provided by Arnica EmailServer via web service APIs, database APIs and program script APIs. Subscription may also be analyzed and updated using Arnica EmailServer Administrator module.