
At InboxKit, you can create mailboxes on Google Workspace, Microsoft 365, and Azure directly from your dashboard — with automated setup, authentication, and activation included.
Follow this step-by-step guide to purchase and activate new mailboxes.
Login to your InboxKit dashboard
From the left-side menu, click Mailboxes
Click Buy Mailbox on the top-right
📌 You will now be on the mailbox purchase screen.
InboxKit supports three platforms:
Google Workspace
Microsoft 365
Azure
Select your preferred platform by clicking the platform button.
📌 Platform capacity and sending volume differ, so pick the platform that matches your setup:
Google Workspace & Microsoft 365 — up to 5 mailboxes per domain
Azure — up to 100 mailboxes per domain, with a recommended sending volume of about 2 cold emails plus 5 warmup emails per mailbox per day (7 total). For example, 50 mailboxes on one domain supports about 350 emails per day. These are recommended volumes, not hard caps.
Fill in the required fields for each mailbox:
Field
Description
First Name | Display name for mailbox |
Last Name | Display name for mailbox |
Username | Email username (e.g., “john” will become [email protected]) |
Domain | Select which domain mailbox will be assigned to |
Profile Photo (Optional) | Upload an avatar if needed |
➕ Need more mailboxes? Click Add More Mailboxes to bulk-add in one go.
OR
📥 You can use Import CSV to upload multiple mailbox users at once.
Click Next: Checkout
Review your order summary
Select Use wallet balance if preferred
Click Confirm Purchase
📌 Your credits will be deducted based on the mailbox count and platform.
Once the mailbox request is submitted:
Status will show as Scheduled
Activation may take up to 2 hours
Once the setup is completed, the status will update to Active
You will receive a notification inside InboxKit
Status
Meaning
Scheduled | Setup is in progress |
Active | Fully ready to send/receive emails |
Failed | An issue occurred — contact support |
Your mailbox is now ready to:
✔ Add into Sequencers
✔ Begin sending outbound campaigns
If you need help with mailbox warm-up or authentication settings, check additional Help Center articles or reach us at [email protected] anytime.