The deliverability edge agencies depend on.

Infrastructure, not another sending tool

Sequencers send email. They do not give you mailboxes, domains, DNS records or a reputation you can trust. That gap is where most outbound programmes stall: the campaign is ready, but the sending foundation was assembled by hand across three vendors and nobody can say which part is failing. Icemail owns that foundation — domains, Google Workspace and Microsoft 365 mailboxes, authentication and monitoring — so the only variable left is your messaging.

What agencies actually get

• Real Google and Microsoft mailboxes on US IPs, not relay servers pretending to be mailboxes.
• SPF, DKIM and DMARC published automatically for every domain, with no ticket queue.
• Separate workspaces per client, so one account's mistakes never touch another's reputation.
• Free mailbox replacements when an account burns, instead of buying the same inventory twice.
• One-click export into Instantly, Smartlead, Reachinbox, Lemlist and other sequencers.

Why setup speed matters more than it sounds

Manual infrastructure takes days: buy domains, wait on DNS, create mailboxes, copy DKIM keys, fix the record that silently failed, then start warming. Every one of those steps is a place to introduce an error that shows up weeks later as poor placement. Provisioning in minutes with authentication applied consistently removes the most common cause of deliverability incidents — human inconsistency.

Built to scale down as well as up

Pricing is per mailbox and per domain, so a five-mailbox test costs what five mailboxes should cost. When a client campaign ends you scale back down rather than carrying a platform fee for capacity you are not using. That makes it practical to run pilots, seasonal pushes and long-term programmes on the same infrastructure.