--- title: How Opt-Ins Work in Encore Pro description: Know who's on your list, and why. --- [Skip to content](https://support.encorepro.com/how-opt-ins-work-in-encore-pro#main-content) [![encore-logo-black-1](https://support.encorepro.com/hs-fs/hubfs/encore-logo-black-1.png?width=150&height=23&name=encore-logo-black-1.png)](https://support.activitystream.com/?hsLang=en) - [Knowledge Base](https://support.encorepro.com/) - [Submit A Ticket](https://support.encorepro.com/kb-tickets/new) - [Portal](https://support.encorepro.com/portal) Open main navigation Close main navigation - [Knowledge Base](https://support.encorepro.com/) - [Submit A Ticket](https://support.encorepro.com/kb-tickets/new) - [Portal](https://support.encorepro.com/portal) - - [Go To Encore Pro](https://app.encorepro.com/) [Go To Encore Pro](https://app.encorepro.com/) How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://support.encorepro.com/?hsLang=en) 2. [Encore Pro](https://support.encorepro.com/encore-pro?hsLang=en) 3. [Audience](https://support.encorepro.com/encore-pro?hsLang=en#audience) # How Opt-Ins Work in Encore Pro ## Know who's on your list, and why. ### What's different Opt-ins and opt-outs reach you from lots of places: your ticketing system, website sign-ups, wifi, forms, imports, and the preference centre. They can arrive late, and they can disagree. Encore Pro now keeps a record of every change, where it came from, and when, so it can tell you why someone was or wasn't on a list at any given time. ### How it fits together - **Lists.** A list is either an email list or an SMS list. Most organizations need one of each, but you can have as many as you like. See *Email and SMS Lists*. - **Topics.** Inside a list, topics let people choose what they hear about, like genres or venues. Topics sit in topic groups. See *Topics and Topic Groups*. - **Branding Sets.** Each list uses a Branding Set, which controls how its preference centre and opt-in emails look, and sets the list's default sending domain (email) or number (SMS). - **Where people come from.** Lead Capture campaigns, imports, your ticketing system's contact preferences, and ticket purchases can all add people to a list. See *Importing List Members* and *Syncing Lists with Your Ticketing System*. - **Every marketing send is based on a list.** When you build a campaign, you choose the list it's for. Encore Pro flags it and asks you to pick a list before you send. ### What you can do - **Run several independent lists and topics.** A patron can be on your newsletter and off your fundraising list, and each one is managed separately. - **Opt in for SMS as well as email.** An email list uses email addresses and an SMS list uses mobile numbers. - **See why someone was on a list** at a given point in time. - **Undo a mistake safely.** If you import the wrong file, our team can reverse the import without scrambling the rest of your data. Ask Client Success. - **Grow your lists.** Lead Capture campaigns and forms feed straight into the right list. See [Grow Your Subscriber Base with Lead Capture](https://support.encorepro.com/grow-your-subscriber-base-with-lead-capture?hsLang=en). - **Watch list growth over time.** Client Success can show you how your lists have grown over time.   ### Good to know - Rules about marketing consent vary by country, and so do clients' own policies. 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