Mission Inbox

Mission Inbox provides sending infrastructure for email: pre-warmed mailboxes on dedicated IPs for cold outreach, and a REST API and SMTP service for transactional and product email. Its MI Shield feature checks content, headers and DNS before each outbound send. The platform also offers webhooks, delivery events and message logs, and it states that it integrates with sequencers and CRMs such as Instantly, Smartlead, Apollo, Hubspot and Salesforce.

The customers are cold email agencies, outbound sales teams and developers who send product or transactional email. Revenue comes from monthly subscription plans (Free, Lite, Scale and Pro) with additional charges for extra sends, mailboxes, domains and premium warmup.

The company is Mission Inbox Inc and lists an address in Claymont, Delaware, US. The website is published in English and states SOC 2 Type 2 compliance. Current job openings include a Senior Systems Engineer for email deliverability and infrastructure, a Founding Marketer and an Enterprise Account Executive, with remote locations in several countries. The founding year is not stated on the website.

Product: Pre-warmed mailboxes on dedicated IPs for outbound email, and an email API and SMTP service for transactional and product email.