Skip to Content

Your Customers Haven't Heard From You in Three Months

Automated, AI-powered email newsletters built into your ERP — no Mailchimp required.
April 22, 2026 by
Your Customers Haven't Heard From You in Three Months
Bill Rust

Some of your customers haven't walked through your door in six months. They didn't go to your competitor. Life happened. They got busy. They forgot.

And the reason they forgot is that you never reminded them you exist.

Not one email about the new Beretta that just came in. Not one email about the overstock sale you ran last month. Not one email about anything. You've been sitting on a customer list — names, emails, purchase history — and treating it like a filing cabinet instead of a revenue channel.

Meanwhile, you cannot run ads on Facebook. Cannot run ads on Google. Cannot promote on YouTube. The platforms where your customers spend hours every day are categorically closed to you because of what you sell.

That makes email the single most important marketing channel you have. And most gun stores are either ignoring it completely or sending generic blasts that go straight to the trash.

The Two Modes of Failure

There are two ways gun stores handle email marketing, and both of them are wrong.

Mode one: nothing. You have a mailing list. It lives in Mailchimp or Constant Contact or your POS system. It hasn't been touched since whoever set it up three years ago. At some point someone said "we should do a newsletter" and then nothing happened and now here we are.

Mode two: generic. You send something. A blast. Usually before a holiday or after a big purchase event. The email looks like it was designed in 2011, it features the same products everyone has, and the subject line is something like "Check Out Our Latest Deals!" Nobody opens it. Nobody clicks it. You look at the stats and quietly close the browser.

Both modes have the same problem. Neither of them is using what you actually know.

You know what your customers buy. You know what's selling. You know what just came in. You know what needs to move. You know which products make you money and which ones are collecting dust. That information exists inside your system right now. The question is whether your marketing is using it.

The Mailchimp Problem

Before we go further — you should know this.

Mailchimp has deactivated firearms retailer accounts. Without warning. Sometimes months or years into the relationship. One day the account just stops working. The list is locked. The automations are gone. Customer data is effectively held hostage pending an export process.

Constant Contact has done the same. So have others. Their terms of service explicitly restrict firearms-related content, and enforcement is inconsistent enough that stores use these platforms for years before finding out the hard way.

Email platforms designed for mass-market retail treat your business like a liability. They'll take your money until the moment their trust and safety team decides they won't.

Related: The Money Is in the Follow-Up

The fix is not to find a more lenient platform and hope for the best. The fix is to own your email infrastructure entirely — so that a policy decision at some Silicon Valley company cannot turn off your marketing channel on a Tuesday afternoon.

What Automated Email Actually Looks Like

Our newsletter engine is built directly into Odoo. It does not require Mailchimp. It does not require Constant Contact. It does not require any third-party email platform that can deactivate your account.

It runs on your own SMTP connection. Your list lives in Odoo. Your templates live in Odoo. Your send history lives in Odoo. Nothing about your email marketing depends on a company that has decided firearms retailers are a reputational problem.

Here is how the system works.

Every week, it runs six algorithms against your product catalog and sales data. Each algorithm is looking for something different.

New Products. Anything added to your catalog in the last seven days with stock on hand. Scored by how new it is and what kind of margin it carries. Your freshest inventory, ranked by how much you should care about it.

Trending Products. This one is the most interesting. It compares your 7-day sales velocity against your 30-day rolling average and finds products with accelerating sales. Not just what's moving — what's moving faster than usual. Something is picking up momentum. Your newsletter tells your customers about it before they hear it somewhere else.

High Margin. Highest-margin SKUs with real stock, weighted by velocity. These are the products your store makes money on. If you're going to put something in front of a customer, put the thing that pays the bills.

Overstock. Products with more than 12 weeks of supply on hand. These go in the Deals & Clearance section. Your newsletter isn't just a revenue tool — it's an inventory management tool. Moving slow stock via email costs you nothing compared to a markdown.

Promotions. If you're running promotion campaigns through Mission Control's promotion engine, those candidates pull through automatically. Your promotions and your newsletter stay in sync without anyone manually doing the work.

GunBroker Listings. If you're selling on GunBroker, the system surfaces those active listings. Customers who prefer to buy local can see what's out there and come to you directly instead of buying through the platform.

The Newsletter Itself

The output is a branded, responsive HTML email — your logo, your colors, your CTA buttons.

It builds out in sections:

  • Featured Products — hero-image layout, "Shop Now" button, prominent placement
  • New Arrivals — three-column grid, everything fresh in the last seven days
  • Trending This Week — "Hot" badges, accelerating sellers, the stuff with momentum
  • On GunBroker Now — your active listings with a "GB" badge
  • Deals & Clearance — horizontal card layout, stock count visible, urgency built in

Every product description is either pulled from your existing product record or generated by AI using OpenAI's API. The AI writes one to two sentences per product — promotional, concise, and built around compliance guardrails. No illegal modification language. No MAP violations. No restricted item promotion. If the AI fails on a product, the system falls back to the product's existing sales description. Nothing breaks. The newsletter still sends.

On the subject line, the AI generates three A/B variants. You pick one before approving. Or you write your own. The system gives you options, not mandates.

The Human Still Decides

This is not a fire-and-forget automation that blasts your customers while you're sleeping.

The system runs on a cron schedule. Monday it generates the draft. Tuesday it sends — but only after a human reviews and approves it. You see the rendered newsletter before it goes anywhere. You can edit products, swap sections, change the subject line, pull something out, add something manually.

The automation handles the work. The approval requires a person.

That's intentional. You should know what's going out under your name before it goes out. The system removes the labor of building the newsletter. It does not remove your judgment about what gets sent.

Why This Changes the Math

A gun store running weekly emails to a healthy list — even a modest one — has something that most of your competitors don't: a direct, owned, uninterruptible line to their customers.

Facebook can restrict you. Google can restrict you. The distributor rep who called you every quarter just got reassigned. Your email list cannot be taken from you. It's yours. It's in your system. It doesn't disappear because a platform updated its acceptable-use policy.

And because the newsletter is built off your actual inventory data — what's new, what's trending, what's margined right, what needs to move — it's relevant. Not a generic blast. Not a mass promotion that applies to everyone and therefore applies to no one.

A customer who bought a Ruger 10/22 six months ago gets an email about the new factory 25-round magazine that just came in. A customer who bought a suppressor last year gets an email about the cleaning kit you have in stock. They see something that connects to something they already care about.

You didn't write that email by hand. You didn't research your own inventory to build it. The system did it. You approved it. Hit send. Done.

This Is a Platform Decision

When you pick where your email marketing lives, you're picking whether that capability can be taken from you.

If it lives in Mailchimp, the answer is yes, it can — and has been, for other stores just like yours.

If it lives in Odoo, in your own infrastructure, connected to your own SMTP account, the answer is no. Your email marketing is yours. Full stop.

The newsletter module runs inside the same system that manages your inventory, your sales, your purchasing, and your compliance. The newsletter knows what just came in because it's reading the same database your receiving team just updated. It knows what's trending because it's reading the same sales records your reports pull from.

You already have the data. Now the data builds the newsletter.

Want to see what your own newsletter looks like before it sends?

Schedule a Demo

Ready to talk about your ERP project?

We build Odoo systems for businesses that can't afford to get it wrong.

Schedule a Conversation