How many mailboxes can I connect and warm up?
Connected mailbox limits by plan (account-wide, across all your workspaces):
- Pro ($29/mo): 50 mailboxes
- Enterprise ($69.99/mo): 400 mailboxes
- Ultimate ($199/mo): 800 mailboxes
- Free tier: 2 mailboxes
There is no per-mailbox fee on any paid plan — you can warm up every connected mailbox at no additional cost, up to your plan's cap. Email warmup runs on all connected mailboxes simultaneously. Your other constraint is your monthly email quota (e.g., 10,000/month on Pro), which is shared across all your mailboxes. Only campaign emails and the replies you send from your inbox count toward it — warmup emails never do. Need more than 800 mailboxes? Contact [email protected] for a custom limit.