Many small businesses put years of effort into building a following on Facebook or Instagram. Then a change to the algorithm, a hacked account or a policy decision cuts off their reach overnight. Followers are valuable, but you don’t own them. The platform does.
An email list is different. It is a direct line to people who have asked to hear from you, and it stays with your business whichever platforms rise or fall. This guide explains why a list matters, how to start building one and the Australian rules you need to follow when you send.
Followers are rented, a list is owned
Social media is useful for being discovered and staying visible. But three things are outside your control:
- Reach. Only a fraction of your followers see any given post, and that share can change without notice.
- Access. If your account is suspended or compromised, you may lose contact with your audience while it is sorted out.
- The rules. Platforms change features, formats and advertising policies to suit themselves.
An email list doesn’t replace social media, but it balances the risk. If you had to move platforms tomorrow, your list would come with you.
Why email works for small businesses
Email reaches people in a place they check every day, and it lets you say more than a social post. It is well suited to:
- Reminding past customers about services they may need again, such as servicing, maintenance or seasonal work.
- Announcing new products, openings or availability to people who already know you.
- Sharing useful advice that keeps you front of mind until someone is ready to buy.
- Bringing people back to your website, where they can book or enquire.
It is also inexpensive to run. Most email platforms offer free or low-cost plans for small lists.
How to start building your list
You don’t need a big audience to start. You need a reason for people to join and an easy way to do it.
- Ask existing customers. Add an opt-in to your booking form, checkout or invoice process.
- Add a sign-up form to your website. Keep it short, often just an email address and a first name.
- Offer something useful. A checklist, a seasonal guide or early access to specials gives people a reason to sign up.
- Collect in person. A QR code at the counter or on printed materials works well for retail and hospitality.
- Promote it on social media occasionally, so followers become subscribers.
Be clear about what people are signing up for and how often you will email. That sets expectations and helps you stay on the right side of the rules.
What to send, and how often
Consistency matters more than frequency. For most small businesses, one useful email a month is plenty to start with. A simple format:
- One helpful tip or piece of advice relevant to your customers.
- One update from the business, such as a new service, a recent project or a seasonal reminder.
- One clear call to action, such as booking, calling or visiting a page.
If you already publish blog posts or social content, you can reuse it. Our guide to building a content system explains how to plan content once and use it across channels.
The Spam Act: rules for Australian businesses
Commercial emails in Australia are covered by the Spam Act 2003, which is enforced by the ACMA. The three main requirements are:
- Consent. You need permission to send marketing messages. Express consent, such as someone ticking a box or filling in a sign-up form, is the clearest. Inferred consent can sometimes apply where there is an existing relationship and the message is directly relevant to it. Keep a record of who gave consent, when and how.
- Identify yourself. Each message must accurately identify your business and include contact details that stay valid for at least 30 days after sending.
- Unsubscribe. Every message needs a free, easy way to opt out, and you must honour unsubscribe requests within five working days. People shouldn’t need to log in or provide extra details to unsubscribe.
Buying email lists is a bad idea. The people on them haven’t consented to hear from you, and it can quickly damage your sender reputation as well as breach the rules.
Measure what matters
Email platforms report opens, but opens have become less reliable as email apps change how they load content. Focus on:
- Clicks to your website.
- Replies, bookings and enquiries that follow an email.
- Unsubscribes, which can tell you if you are sending too often or off-topic.
Over a few months, you will see which topics your customers care about. That is useful for your website and social media too. For a wider view on measuring marketing returns, see our realistic ROI breakdown.
Start small and keep going
A list of 100 local customers who asked to hear from you can be worth more than thousands of passive followers. Set up a sign-up form, send your first email, and build the habit.
Want help getting started?
Madexify helps small businesses across Pakenham, Officer, Beaconsfield, Berwick, Narre Warren, Cranbourne, Clyde and Bunyip set up sign-up forms, email templates and simple content plans that connect with their website and social media. See our content marketing services, or contact us to talk about email marketing.
Sources: ACMA: avoid sending spam. Accessed 26 September 2026. This article is general information, not legal advice.
This article is part of our Marketing Planning and Growth Guide. Browse all our guides on the guides page.
