Pricing
Quarterly SMTP plans
32 mailboxes
$299/qtr
$3.1 per mailbox
8 domains for free
32 mailboxes
+8 domains for free $3.1 per mb
68 mailboxes
$499/qtr
$2.4 per mailbox
17 domains for free
68 mailboxes
+17 domains for free $2.4 per mb
400 mailboxes
$2,199/qtr
$1.8 per mailbox
100 domains for free
400 mailboxes
+100 domains for free $1.8 per mb
Combo: SMTP + Google Workspace
10 GW + 10 SMTP $2.5 per SMTP and GW 4 domains required (buy them here)
25 GW + 25 SMTP $2.25 per SMTP/$2.5 per GW 10 domains required (buy them here)
100 GW + 100 SMTP $1.9 per SMTP/$2.5 per GW 40 domains required (buy them here)
Google Workspace
Official business-licensed accounts at the lowest price. 1 workspace = 1 domain.
20 mailboxes $3.25 per mb 4 domains required (buy them here)
50 mailboxes $3 per mb (-8%) 10 domains required (buy them here)
200 mailboxes $2.5 per mb (-23%) 40 domains required (buy them here)
SMTP
Mailboxes built specifically for outbound: include links in your initial email and stop worrying about burned-out accounts — they recover automatically!
20 mailboxes $2.5 per mb 4 domains required (buy them here)
50 mailboxes $2.25 per mb (-10%) 10 domains required (buy them here)
200 mailboxes $1.9 per mb (-24%) 40 domains required (buy them here)
10,000 mailboxes $1.2 per mb (-52%) 2,000 domains required (buy them here)
20,000 mailboxes $0.8 per mb (-68%) 4,000 domains required (buy them here)
Domains
Register domains with our help in just 10 minutes — or connect your own domains to Maildoso at no extra cost!
4 domains
$48/year
$12 per domain
4 domains $48/year $12 per domain
10 domains
$120/year
$12 per domain
10 domains $120/year $12 per domain
40 domains
$480/year
$12 per domain
40 domains $480/year $12 per domain
Google Workspace Features
Warm-up recommendation: 15 cold emails / 25 warmup emails per day (slow ramp up)
1 workspace = 1 domain
Each domain is hosted in a separate, fully isolated Google Workspace account so that you can scale your outbound with zero risk!
Quick setup
Your mailboxes will be registered and ready to use within 15 minutes (SPF, DKIM, and DMARC are auto-configured).
Auto connection
Automatically connect your mailboxes to all major sequencers in bulk — with a single click.
SMTP Features
Warm-up recommendation: 15 cold emails / 80 warmup emails per day (no slow ramp up)
IP rotation
We use IP rotation to send your campaigns from several different IP addresses, making your emails less visible to spam filters.
Self-healing mailboxes
Burned mailboxes? Not a problem! Our system pauses them for 14 days — just enough time to recover — and then brings them back into rotation.
Send links right away
Automatically connect your mailboxes to all major sequencers in bulk — with a single click.
Be sure your setup really works!
We run inbox placement tests every 3 days and display up-to-date health scores for each mailbox.
Price Comparison
Last updated – January 2026
qty
Maildoso Google
Maildoso Combo
Zapmail
ScaledMail
Google Official
20 mb
$3,25 per mb $65/mo
$2,5 per mb $50/mo
$3,9 per mb $78/mo
$4,0 per mb $80/mo
$7,0 per mb $140/mo
50 mb
$3,0 per mb $150/mo
$2,25 per mb $113/mo
$3,28 per mb $164/mo
$3,66 per mb $220/mo
$7,0 per mb $350/mo
200 mb
$2,5 per mb $500/mo
$1,9 per mb $380/mo
$2,9 per mb $599/mo
$3,5 per mb $700/mo
$7,0 per mb $1,400/mo
Price Comparison
Cost per mailbox analysis for 20, 50, and 200-unit packages. Last checked: January 2026
Maildoso Google
20 mb 50 mb 200 mb
$3,25 $3,0 $2,5
Maildoso Combo
20 mb 50 mb 200 mb
$2,5 $2,25 $1,9
Zapmail
20 mb 50 mb 200 mb
$3,9 $3,28 $2,9
ScaledMail
20 mb 50 mb 200 mb
$4,0 $3,66 $3,5
Google Official
20 mb 50 mb 200 mb
$7,0 $7,0 $7,0
Need more mailboxes?
Get a custom offer designed for your needs (and a special pricing for 10k+ mailboxes)
30-day money-back guarantee
if you’re not happy with the results, we’ll refund you for the mailboxes!
What our customers say
BacklinkSwappers, inc.
1390 Market Street Suite 200 San Francisco, CA 94102