What are two possible purposes of the email preference center? (Choose two.)

An email preference center is a web page that allows email recipients to manage their communication settings. A fundamental requirement, often for legal compliance (e.g., CAN-SPAM, GDPR), is to provide a clear option for recipients to unsubscribe from all future email communications (A). The primary marketing purpose of a preference center is to reduce total unsubscribes by offering more granular control. This includes allowing recipients to choose the types of content they receive or the frequency of communication (e.g., weekly vs. daily), which helps in retaining them on mailing lists (D).

B. The Blocklist is an administrative tool used to prevent sending emails to addresses that have hard-bounced or been manually blocked. Recipients cannot remove themselves from this list.
C. Communication limits are internal, system-level settings configured by a Marketo Engage administrator to prevent over-mailing the entire database, not a preference managed by individual recipients.

1. Adobe Experience League, Marketo Engage Documentation, "Set Up an Email Preference Center." This document states, "A preference center gives your audience a choice of what types of communications they receive from you, as well as how often." It also details the process of including the mandatory "Unsubscribe from all emails" checkbox, directly supporting options A and D.

2. Adobe Experience League, Marketo Engage Documentation, "Understanding Unsubscribes in Marketo Engage." This resource clarifies the distinction between a user-initiated unsubscribe and being blocklisted. It describes blocklisting as a status applied due to delivery failures (hard bounces) or manual admin action, not something a recipient can reverse via a preference center. This supports the exclusion of option B.

3. Adobe Experience League, Marketo Engage Documentation, "Set Communication Limits." This guide explains that communication limits are an administrative feature to "prevent your people from getting too many emails... in a short period of time." The setup and control are entirely on the administrator's side, confirming that recipients cannot change these limits, thus invalidating option C.