Compare Cold Email Inbox Providers

See how Slicey's isolated infrastructure stacks up against shared-panel providers.

Feature Slicey Instantly Smartlead Infraforge Mailforge
Per-domain isolation Yes No No No No
No domino effect Yes No No No No
Inboxes per domain 49–99 3–5 3–5 3–5 2–3
Free domain replacement Yes No No Paid No
You own your domains Yes Varies N/A Yes Varies
White-glove setup Included No No No No
Price (at scale) $49/domain $36/domain N/A ~$30/domain ~$27/domain