Trusted by teams sending 50M+ emails per month

"Super happy with the results. I'm seeing a 33% reply rate with over 54% positive replies on one campaign, and 74% open rates with zero bounces"

From fast-growing startups to regulated enterprises, teams rely on Mission Inbox for reliable delivery, security, and transparency.
Trusted by teams sending 50M+ emails per month

"Super happy with the results. I'm seeing a 33% reply rate with over 54% positive replies on one campaign, and 74% open rates with zero bounces"

Monthly Emails
Inbox Rate
Redundancy layers
Assets Managed
Clear answers on setup, infrastructure and how Mission Inbox fits into your existing workflow.
Mission Inbox can integrate with most sales engagement platforms, cold email sequencers, CRMs and workflow tools, as long as they support SMTP and IMAP connection. If the tool can send and sync through connected mailboxes, Mission Inbox can usually sit underneath it as the sending infrastructure.
No. Mission Inbox does not replace tools like HubSpot, Salesforce, Outreach, Salesloft, Smartlead, Instantly or Apollo. Your existing software manages the workflow. Mission Inbox supports the sending infrastructure behind it.
Most sales, CRM and outreach tools manage contacts, campaigns, sequences or workflows. Mission Inbox gives your team more control over the email sending layer, including domains, mailboxes, routing, monitoring and dedicated sending environments.
Yes. Mission Inbox can work with almost any cold email sequencer that supports SMTP and IMAP. Your sequencer manages campaigns, replies and follow-ups. Mission Inbox supports the sending infrastructure behind it, including domains, mailboxes, routing and monitoring.
Yes. CRM emails such as sales follow-ups, lead nurture, account updates and customer workflow emails can be routed through Mission Inbox where the setup supports it.
Yes. Teams can separate sending by tool, department, campaign, domain, mailbox or client. This is useful when you do not want every type of email relying on the same sending environment.
Usually, no. Most cold email sequencers and sales tools can connect through SMTP and IMAP settings. API-based setups may need developer or admin support, but standard mailbox-based integrations are usually handled through the toolβs sending account settings.
Choose the integration based on the software your team already uses to manage email workflows. For example, use HubSpot or Salesforce for CRM workflows, Outreach or Salesloft for sales engagement, and Smartlead or Instantly for cold outreach.
Teams that rely on email, run on Mission Inbox. See what changed after they moved away from shared sending infrastructure.
Stop relying on shared infrastructure that you don't control. Mission Inbox gives you dedicated servers, dedicated IPs, and full ownership of your sending reputation.