Sender is a high-deliverability email marketing and automation platform used by e-commerce stores, bloggers, and SMB marketers who want full marketing features at a fraction of Mailchimp pricing without sacrificing inbox placement. Positioned as affordable email marketing software for SMBs, Sender combines a drag-and-drop email builder, automation workflows, behavioral triggers, popups and signup forms, segmentation, transactional email API, push notifications, e-commerce integrations with Shopify, WooCommerce, BigCommerce, OpenCart, and a generous free tier covering up to 2,500 subscribers. Sender is a strong fit for indie e-commerce sellers running abandoned-cart automation, content bloggers monetizing their newsletter, and small businesses sending high volumes without paying enterprise email pricing.