Please double-check the settings used by your mail client for the email account for which you are experiencing this issue. You can also check our detailed guide regarding issues with sending emails here.
How to Add Products to Zen Cart: A Step-By-Step Guide
After you install Zen Cart and log in to the admin panel, you can start adding products to your online store. This guide walks you through the process step by step. How to Add Products to Zen Cart To add a product to Zen Cart, you need to follow a few simple...