Server hardware is the backbone of any email marketing operation. The performance of your email server can directly impact the speed at which your emails are sent and received. High-quality, dedicated servers are essential for handling large volumes of emails, especially during peak times such as promotional events or holidays. Investing in robust server hardware can help in preventing downtime and ensuring that your emails reach your audience without delays. It also provides the necessary infrastructure to support advanced features like personalized content and segmentation, which are key to modern email marketing strategies.