To entice customers to sign up, you can offer a Coupon - a discount they can use now, or next time they order. It can be a specific dollar amount or a percentage of the order. You set the parameters. To set up a Coupon in Paytronix Online Ordering, read How do I Create an Online Ordering Coupon?.
You obviously need to have a MailChimp account to start an email campaign. If you don't have one, you can sign up here.
Follow these steps to configure your auto welcome email in MailChimp
Log in to MailChimp.
On the top menu, select Lists.
Find the List that you are using in Paytronix Online Ordering, and select Forms.
On the dropdown called Forms & Response Emails, choose Final Welcome Email
Customize the e-mail body. Be sure to include the coupon code.
Save the settings and you're done.
Now, when someone subscribes to your e-mail list, they will automatically receive your welcome email and a coupon code!