An associate Matt Botch shares his experience with the email warm-up tool Warmbox. According to Matt, Warmbox is a good warm-up email tool with in-depth analytics and some cool automation features that actually can help you improve your deliverability rate and avoid blacklisting your domain. He also mentions that the tool has significantly improved his email deliverability and inbox placement, ensuring sales emails reach intended recipients. Matt also highlights that Warmbox has affordable pricing plans compared to other tools out there. He tested this tool for his business and found it to be a really good option, especially considering their completely free plan where no credit card is required so you can test the software out and see if it can help you increase your deliverability rate. However, Matt also mentions that the learning curve of using Warmbox initially required some time and effort to fully grasp its features and customization options. He also notes that it’s just an email warm-up tool with no additional features. Overall, Matt recommends Warmbox as a great option for anyone looking for an email warm-up tool that can help improve their email deliverability rate.