Mailionaire

Built for the top 10% of cold emailers

Agent-native Azure email infrastructure

  1. 01Choose and pay mailboxes

    POST /v1/orders
    {"domain":"acme-outreach.com",
     "mailbox_count":50}
  2. 02We build them

    GET /v1/orders/{id}
    {"status":"completed"}
  3. 03They appear in your sequencer

    GET /v1/domains/{domain}/mailboxes
    {"total":50,"items":[
     {"email":"mia.k@…","connected":true}]}

No DNS work, no CSV import or any other manual steps. Fully integrated & automatic end-to-end. 3 of 58 API endpoints. The whole product runs from code.

Why Mailionaire
Feature Mailionaire 7 / 0 ScaledMail 3 / 1 Peeker 2 / 0 Hypertide 2 / 1 Inframail 1 / 2
Pricing
Monthly price - 100 inboxes Every provider priced at the same order size: 100 sending mailboxes, on their own published plan. $45–70 (per volume tier) $200 $120 $100 $129
Setup fee One-time charge before the first email goes out. Separate from the monthly line above. $0 $0 $0 $1,500 $0
Service
Time to first inboxes From payment to mailboxes live in your sequencer, as each provider states it. 1-4 h 2-4 days <24 h 4-6 h DIY
Zero-touch setup Who does the work: domains, tenant, mailboxes, SPF/DKIM/DMARC and the sequencer link. Yes Yes Yes Yes No
Team / customer support Who runs the product and handles customer issues. Built & run by the founder/dev (10y outbound) Team-run Team-run Team-run Team-run
Infrastructure
Dedicated tenant isolation Whether your sender reputation is yours alone, or shared with other customers' sending. Yes Yes - Yes No
Mailboxes per domain How many inboxes sit on one domain - and whether the number is yours to pick. 1-100 flexible 25 fixed 75 fixed 25 fixed 10 fixed
API coverage How much of the product each API drives - and whether it is a native product surface. Full/Native (58 Endpoints) Ordering only (22) Almost (43) Ordering only (18) Basics (3)