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    Mailbox

    Every reply
    deserves a place.

    Receive, reply, and forward email on your own domain. Keep conversations with the people who need them.

    Available on eligible Paid and Enterprise plans.

    Sending starts the conversation.
    Mailbox keeps it going.

    Your outgoing emails reach people on your domain, and their replies arrive in your Simply Send Mailbox. Keep the full conversation in one place, and bring in the right people when needed.

    Domain setup
    yourdomain.com
    1. Enable receiving

      Configure MX records to receive email on your domain.

    2. Set your sender identity

      Use your domain in the From address.

    3. Add team access

      Invite the people who help with conversations.

    Keep email
    on your domain.

    Configure receiving, set up your sender identity, and give team members access — all in a few simple steps. Use the email addresses your customers already know, like:

    Bring the right people
    into the conversation.

    Give team members access to the Mailbox so replies don’t get missed. Keep communication consistent, whether it’s support, sales, or partnerships.

    Support

    Help customers

    Sales

    Respond to leads

    Partnerships

    Manage outreach

    Team accessIllustrative preview
    Alex Chen[email protected]Owner
    Maria Kim[email protected]Member
    Jordan Lee[email protected]Member
    Taylor Park[email protected]Member

    Use your domain

    Send and receive as your team.

    Choose who has access

    Invite the people who need to take part.

    Keep conversations in one place

    Everyone sees the same up-to-date messages.

    Real conversations or simulated delivery?

    Choose the right option for your needs.

    MailboxReal send and receiveFor live use
    • Send emails from your domain
    • Receive real replies from your customers
    • Reply and forward from Simply Send
    • Keep conversations with your team
    Virtual InboxSimulated messages onlyFor testing
    • Receive simulated messages in a sandbox
    • No live email delivery
    • Useful for development and testing
    • Separate from your real Mailbox

    Frequently asked questions

    Is Mailbox available on the Free plan?

    No. Mailbox is available on eligible Paid and Enterprise plans.

    What is Virtual Inbox?

    Virtual Inbox is a separate sandbox that receives simulated messages for testing and development. It does not deliver real emails.

    Make room for your
    next conversation.

    Get a professional email experience on your own domain. Receive, reply, and forward — with the people who move your business forward.

    Explore Mailbox