Question: I need a solution that can manage a large number of email domains and mailboxes, can you recommend something?

If you need to manage a lot of email domains and mailboxes, Mailforge is a great option. It lets you set up hundreds and thousands of domains and mailboxes quickly, and premium deliverability is included at no extra cost. It's a cost-effective option for companies that need a lot of email infrastructure, and automated setup makes it a good option for sales and marketing teams that send a lot of emails.

Another tool worth mentioning is Superhuman, an AI-powered email tool that helps high-performing teams and individuals get more out of their email. It comes with features like a split inbox, AI-powered writing, follow-up reminders and a read status tracker. Superhuman works with Gmail and Outlook, and pricing tiers include Starter ($30/user/month) and Growth ($30/user/month), so it's a good option for teams that want to get their email in order.

If you prefer an open-source option, Inbox Zero is a Google-endorsed personal AI assistant that automates email tasks. It's got features like automated responses, a one-click newsletter cleaner and cold email blockers. It integrates with Gmail and Google Workspace email accounts, and you can self-host it for better data privacy, so it's a good option for anyone who wants to get their email under control.