Mailreef
Dedicated private mail server provider at a flat monthly rate (~$249/month for up to 200 mailboxes), using custom SMTP infrastructure on OVH/UpCloud rather than Google or Microsoft, aimed at high-volume cold email agencies wanting full IP isolation.
Pricing breakdown
Capacity-based pricing
Pricing notes
$240–$249/mo flat + $0.001/email; unlimited mailboxes
Our take on Mailreef
Mailreef sells a different model from most of the directory: instead of per-mailbox pricing, you rent a dedicated private mail server — roughly $249/month for up to 150–200 mailboxes — giving you full IP isolation and a predictable flat cost that works out to well under $2 effective per mailbox at capacity. API access is included on every plan, and the per-server approach appeals to agencies that want control rather than a shared pool.
Two things deserve a closer look. First, the “pre-warmed / Day One Campaigns” marketing is contradicted by independent hands-on reviews, which report you still need external warmup — plan accordingly. Second, there's limited third-party validation so far — no G2, Capterra or Trustpilot presence yet, a demo call gating purchase, and a per-send overage fee ($0.001/email) that makes total cost harder to compare. The infrastructure also runs on OVH/UpCloud rather than Google or Microsoft, which can affect how some recipients treat your mail.
What we like
- +Full IP isolation on a dedicated private server
- +Flat ~$249/mo covers 150–200 mailboxes — very low effective rate
- +API included on all plans
- +Strong control for high-volume sending
Watch out for
- −“Day One” / pre-warmed claims contradicted by hands-on reviews
- −Little third-party review presence yet (G2/Capterra/Trustpilot)
- −Runs on OVH/UpCloud IPs, not Google or Microsoft
- −Demo call required + per-send overage fees complicate cost
Best for: High-volume agencies that want a fully isolated private server and will sit through a demo call and handle warmup themselves.