Cold email infrastructure pricing (October 2026)
A cold email setup has three cost lines: mailboxes (Google, Microsoft or SMTP), domains (you shouldn't send from your main one) and often warmup. Across 18 USD-priced offerings, 30 mailboxes plus 10 domains cost $11.37 to $257.72 a month, median $110.53.
Last updated 2026-10-23 · 20 offerings · list prices, monthly billing
Verdict by use case
$11.37/mo (3 emails per inbox per day).
Cheapest offering with no minimum order stated.
Price comparison
| Platform | + 10 domains | Minimum | Warmup | Link | ||||
|---|---|---|---|---|---|---|---|---|
| Microsoft | $0.35 | $10.50 | $0.87 * | $11.37 | None stated | Optional | View pricing | |
Outboxes EU-hosted private SMTP mailboxes |
SMTP | €0.78 | €39 | €10.00 | €49 | 5 domains (EUR 19.50/month) | No | View pricing |
| SMTP | $1.38 | $69 | $10.83 | $79.83 | Startup plan ($69/month) | Add-on | View pricing | |
Maildoso SMTP mailboxes (15 sends/day cap) |
SMTP | $2.50 | $75 | $12.50 | $87.50 | 30 mailboxes | No | View pricing |
Mailpool SMTP inboxes |
SMTP | $3.00 | $90 | $8.72 * | $98.72 | None stated | Unknown | View pricing |
| $3.00 | $90 | $8.72 * | $98.72 | None stated | Optional | View pricing | ||
| GoogleMicrosoft | $3.00 | $90 | $8.72 * | $98.72 | None | Add-on | View pricing | |
Mailforge Shared-IP SMTP mailboxes |
SMTP | $3.00 | $90 | $11.67 | $101.67 | 10 mailbox slots | No | View pricing |
Zapmail Google & Microsoft mailboxes |
GoogleMicrosoft | $3.30 † | $99 | $8.72 * | $107.72 | 10 mailboxes (starter plan, third-party) | Optional | View pricing |
Hypertide Google inboxes |
$3.30 | $99 | $8.72 * | $107.72 | None | No | View pricing | |
Cheap Inboxes Google & Microsoft mailboxes |
GoogleMicrosoft | $3.50 | $105 | $8.33 | $113.33 | None stated | Unclear | View pricing |
Premium Inboxes Google & Microsoft mailboxes, done-for-you |
GoogleMicrosoft | $3.50 | $105 | $8.72 * | $113.72 | No monthly commitment | No | View pricing |
Mailpool Google Workspace inboxes |
$4.00 | $120 | $8.72 * | $128.72 | None stated | Unknown | View pricing | |
Infraforge Private SMTP, dedicated servers |
SMTP | $4.00 | $120 | $11.67 | $131.67 | 10 mailbox slots; quarterly or yearly billing | No | View pricing |
Primeforge Google Workspace & Microsoft 365 mailboxes |
GoogleMicrosoft | $4.50 | $135 | $11.67 | $146.67 | 10 mailbox slots | No | View pricing |
Inframail Microsoft-backed inboxes, flat fee |
Microsoft | Flat plan † | $147 | $8.72 * | $155.72 | Flat plan | No | View pricing |
Mailpool Microsoft 365 inboxes |
Microsoft | $5.00 | $150 | $8.72 * | $158.72 | None stated | Unknown | View pricing |
Mission Inbox Dedicated-IP outbound mailboxes |
SMTP | $3.33 | $199 | $8.72 * | $207.72 | 15 mailboxes (Lite) | Unknown | View pricing |
Google Workspace (direct) Business Starter, bought from Google |
$7.00 | $210 | $8.72 * | $218.72 | 1 user | No | View pricing | |
Mailreef Dedicated mail server |
SMTP | Server plan | $249 | $8.72 * | $257.72 | One server | Optional | View pricing |
Total = list price for 30 mailboxes on the cheapest plan that fits + 10 sending domains amortised monthly. * Domain price unknown or bring-your-own: reference .com at $10.46/yr. † Price from a third-party comparison. € rows are in euros excl. VAT and are excluded from "cheapest" badges. Monthly billing, list prices, checked 2026-10-23.
What makes up the cost
Mailboxes. Priced per inbox, per plan bundle or as flat/server plans. Per-inbox prices in our table run from $0.35 to $5.00.
Domains. At 3 inboxes per domain, 30 inboxes need 10 domains. Providers that publish domain prices charge $9.99 to $15.00 per year. That's roughly $8.33 to $12.50/mo for 10 domains.
Warmup. Included, optional or sold as an add-on depending on the provider; see the Warmup column.
See every recorded change on the price change log.
Frequently asked questions
How much does cold email infrastructure cost per month?
For 30 mailboxes on 10 domains: $11.37 to $257.72 per month across the USD-priced offerings we track, median $110.53 (list prices, monthly billing, checked 2026-10-23).
How much do domains add to cold email costs?
10 domains at $10.46/yr is about $8.72/mo. Some providers charge more for domains bought through them.
Is Google Workspace direct cheaper than a reseller?
No. Direct is $7.00/user/mo ($218.72/mo for 30 incl. domains); the cheapest Google reseller total is $98.72/mo.