Poor delivery rate, arrogant and time-wasting support agents, and their never-ending excuses on why there are so many issues with the site and its performance. I am pretty patient in most cases but having to delay my business all for the fault of Mailchimp not being able to get their act together and their issues sorted out in a timely manner makes me so frustrated and annoyed. I am glad that at least I did not get too invested in this platform as it would have been a gateway to hell to move all my data from them to somewhere else. I could probably thank God himself for showing me sender.net in my google search. They had a quick way to import my whole database from Mailchimp directly to their platform with no hassle. I had some questions about the way their platform works but to my pleasant surprise the support team at sender.net was more than happy to guide me step by step on how to get everything set up. Sender.net is a definite threat to Mailchimp, I already see their customers packing and moving to sender.net. Mailchimp, you should step up your game.