Comparison · checked 15 September 2026

Outboxes vs Mailreef

Mailreef sells dedicated mail server, one ip per customer. Outboxes sells private SMTP mailboxes on servers we own in Germany, priced per domain, built by a person in 24 hours. Here is the same table for both, then an honest list of when each one is the better buy.

WhatOutboxesMailreef
Price€3.90 per domain per month, up to 5 mailboxes per domain (from €0.78 per mailbox); €9.90 per domain per quarter$249 per month (Agency Flex) or $240 per month on a 12-month term, plus $0.001 per email sent
Per mailboxfrom €0.78about $1.66 at 150 mailboxes, before send fees
Minimum5 domains (€19.50 per month)One server; demo call before you can buy
InfrastructurePrivate SMTP on servers we own in Germany (Hetzner); agencies get a dedicated server with 2 IPsOne dedicated server and one dedicated IP per customer; 150+ mailboxes per server; they recommend 3 mailboxes per domain and about 50 sends per mailbox per day
IP modelShared across our own customers on the domain plan; dedicated server + 2 IPs on Agency (€249) and 4 IPs on XL (€499)Dedicated, but a single IP: all your domains share it and there is no backup IP
DNS setupSPF, DKIM, DMARC and tracking domain set and tested before hand-overAutomatic SPF, DKIM, DMARC; pre-warmed servers, no ongoing warm-up
DomainsBring your own, or we register them for €15 one-time in your nameBring your own or one-click purchase
Sequencer exportCSV for Instantly and Smartlead; SMTP/IMAP sheet for Lemlist, Reply.io, Saleshandy and othersNative Instantly and Smartlead integrations, API
Sending fees / limitsNo per-send fee; sane per-mailbox limits, raised after warm-up$0.001 per email: about $135 per month at 4,500 sends a day
ContractMonthly or quarterly, cancel any time from your order pageMonthly (Flex) or 12 months
Time to mailboxesNext working day (order before 14:00 CET)After a demo and screening
SupportA person reviews every order within the hour; email supportLive delivery consulting chat
Hosting & invoicingEU (Germany), company in Luxembourg, EU VAT invoicesUS company; server location not published
Mailreef's real monthly cost for a typical agency setup (30 domains, 90 mailboxes, 4,500 sends a day) is about $385 once the per-send fee is added. Our Agency plan is €249 flat with two IPs and no send fee.

Pick Mailreef if

  • You send more than 100,000 emails a month and want one flat server bill
  • You want developer API access to create mailboxes programmatically today
  • You want deliverability consulting bundled in

Pick Outboxes if

  • You want to start with 5 to 30 domains, not a whole server
  • You do not want a per-send meter on top of the monthly fee
  • You want a second IP so one listing cannot take every domain down (Agency plan)
  • You need EU hosting and an EU invoice

Five domains, 25 mailboxes, €19.50 a month.

Order online, a person checks it within the hour, and your CSV for Instantly or Smartlead is on your order page the next working day.

See pricing   How it works

Questions

Is Outboxes cheaper than Mailreef?

Mailreef's real monthly cost for a typical agency setup (30 domains, 90 mailboxes, 4,500 sends a day) is about $385 once the per-send fee is added. Our Agency plan is €249 flat with two IPs and no send fee.

What is the difference between Outboxes and Mailreef?

Mailreef: Dedicated mail server, one IP per customer. Outboxes: private SMTP mailboxes on servers we own in Germany, priced per domain (€3.90 a month for up to 5 mailboxes) with a dedicated server and two IPs for agencies at €249 flat.

Can I move my domains from Mailreef to Outboxes?

Yes. Point the nameservers to us or add the DNS records we show on your order page; mailboxes are built the next working day and you import the CSV into your sequencer. Warm the new mailboxes for two weeks before volume, as with any provider.

Other comparisons