Best Cold Email Infrastructure Providers
Inboxes, domains and mailbox providers built for cold email, with DNS setup and sending at scale.
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LiteMail
Fresh and pre-warmed Google and Microsoft inboxes for cold email with automated DNS, US and EU IPs and plans from 10 inboxes.
Affiliate program
Infraforge
Private cold email infrastructure with dedicated servers and IPs, automated DNS, domain masking and an API.
Affiliate program
Mailforge
Distributed cold email infrastructure: affordable mailboxes and domains on a shared IP pool, with DNS set up automatically.
Affiliate program
Primeforge
Google Workspace and Microsoft 365 mailboxes with US IPs for cold email, with automated DNS and ESP matching.
Affiliate program
Maildoso
Outbound mailboxes on Maildoso's own servers and IPs, with self-healing IP rotation and deliverability audits, from $0.49 a mailbox.
Affiliate program
Zapmail
US-hosted Google and Microsoft mailboxes set up for cold email in minutes, with DNS automation and 50+ sequencer integrations.
Affiliate program
Mailreef
Dedicated SMTP servers and IPs for high-volume cold email, with unlimited inboxes, pre-warmed infrastructure and delivery consulting.
Affiliate program
Inframail
Unlimited Microsoft-backed cold email inboxes on your own domains with dedicated US IPs and flat-rate pricing.
Winnr
Low-cost SMTP cold email accounts from $1 each, with automatic DNS, optional warming, a REST API and a deliverability guarantee.
Free trial · Affiliate program
ScaledMail
Managed cold email infrastructure: Google, Microsoft 365 and SMTP inboxes set up by experts, with pre-warmed options and Slack support.
Mission Inbox
Dedicated email infrastructure with isolated sending environments, dedicated IPs and pre-send checks, for outbound and developers.
Free trial
Puzzle Inbox
Pre-warmed Google Workspace and Outlook inboxes for cold email, DNS-ready and delivered within 24 to 72 hours.
Mailpool
Cold email infrastructure platform: AI domain generation, Google, Microsoft, shared and dedicated inboxes, automated DNS and rotation.
Affiliate program
InboxKit
Google Workspace, Microsoft 365 and Azure mailboxes on your domains, with automated DNS, warm-up and InfraGuard monitoring.
Affiliate program
Premium Inboxes
Official Google and Microsoft inboxes set up for cold email and uploaded straight into Smartlead or Instantly, with warm-up started for you.
Affiliate program
Hypertide
Google Workspace and Entra (Azure) inboxes for cold email with tenant separation, pre-configured DNS and 4 to 6 hour setup.
Icemail
Pre-warmed Google Workspace, Microsoft 365, Azure and SMTP mailboxes for cold email, with AI domain finder and one-click exports.
Free trial · Affiliate program
EmailBison
Private cold email sequencing on dedicated infrastructure for agencies and GTM teams: isolated servers, static IPs and a master inbox.
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