
Private email infrastructure designed for cold email at scale

ColdFrontiers is an infrastructure service that allows you to set up a large number of email inboxes across multiple dedicated IPs, enabling you to send thousands of emails per day efficiently and securely.
The setup process is quick and easy, allowing you to create and upload email accounts within minutes. Email accounts can be created in just three clicks, and starting at $1.50 per account.
ColdFrontiers ensures reliability by providing private dedicated IPs for sending emails, monitoring these IPs for optimal performance, and replacing them as needed. This prevents your emails from being affected by the reputation of other senders.
Yes, Frontier inboxes can be used with any sending platform that supports SMTP, like Smartlead, Instantly, and OuterCold, providing flexibility and compatibility with existing systems.
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