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AeroSend alternatives

7 Best AeroSend Alternatives for Cold Email in 2026

AeroSend is a well-engineered private-SMTP product built on 10-domain isolation pods, but a young company with no free trial, a 30-mailbox minimum, and no real Google or Microsoft accounts. The right alternative depends on why you are leaving.

Saksham Jain
By Saksham Jain9 min read · Updated Jun 2026
AeroSend homepage
AeroSend homepage (aerosend.io) as of Jun 2026

The InboxKit Alternative

InboxKit dashboard managing 18M+ emails
InboxKit dashboard - 18M+ emails, 5K domains, 16K mailboxes
InboxKit 24+ sequencer integrations
24+ sequencer integrations - Instantly, SmartLead, Apollo, and more

TL;DR

AeroSend is a well-engineered private-SMTP product built on 10-domain isolation pods and proactive burn-alert monitoring, but it is a young company with thin third-party reviews, no free trial, a 30-mailbox minimum, and no Google or Microsoft accounts. If the monitoring is what drew you, but you want real accounts plus monitoring from one vendor, InboxKit is the closest match. For a dedicated-IP like-for-like, InfraForge; for the lowest cost, Maildoso.

How We Selected These Alternatives

  • Infrastructure quality: real Google/Microsoft accounts vs shared IPs, US IP verification, dedicated vs pooled resources
  • Deliverability tools: warmup isolation, inbox placement testing, blacklist monitoring, DNS automation
  • Pricing transparency: no hidden costs, clear per-mailbox rates, honest total cost of ownership
  • Feature completeness: sequencer integrations, API access, bulk management, admin controls
  • User reputation: G2 and TrustPilot reviews, community feedback, support responsiveness

Why people switch from AeroSend

It is private SMTP, not Google or Microsoft

AeroSend provisions its own infrastructure rather than real Workspace or 365 accounts. That is fine for many campaigns, but some audiences and filters treat established Google/Microsoft sending domains more favorably.

Thin independent validation

AeroSend is a young company with around five G2 reviews and almost no Reddit footprint. The 95%+ placement claims are self-reported, and the most detailed third-party writeups come from competitors.

No free trial, and a 30-mailbox minimum

You commit to a 10-domain slot (about 30 mailboxes) before you can test against your own list. Solo senders and anyone wanting fewer inboxes cannot start small.

You still need a sequencer

AeroSend is the infrastructure layer; the sending tool is a separate subscription.

Quick Comparison

PlatformBest ForPricing
InboxKit
InboxKit
Teams wanting real Google/Microsoft accounts with US IPs, built-in monitoring, and the lowest price for official workspace accountsGoogle & Microsoft 365 from $2
InfraForge
InfraForge
Dedicated-IP like-for-like$3/mailbox/mo + $99/dedicated IP/mo
Mailbloom
Mailbloom
Private-server isolation at volumeFlat per dedicated server (quote-based)
Maildoso
Maildoso
Budget SMTP at volumeFrom ~$1
PrimeForge
PrimeForge
Google/Microsoft swap$4
Zapmail
Zapmail
Pre-warmed real accounts with monitoring$39/$99/$299 for 10/30/100 mailboxes, $2
ScaledMail
ScaledMail
Managed isolation~$1 to $3.50/mailbox

Switch to InboxKit

Plans from $39/mo with 10 mailboxes included. InfraGuard monitoring and 24+ sequencer integrations.

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The 7 Best AeroSend Alternatives

InboxKit

InboxKit

inboxkit.com

Best for: Teams wanting real Google/Microsoft accounts with US IPs, built-in monitoring, and the lowest price for official workspace accounts

InboxKit provisions real Google Workspace, Microsoft 365, and Azure accounts with dedicated US IPs. Every mailbox is a genuine account with full admin access, automated SPF/DKIM/DMARC via Cloudflare in under 60 seconds. Pre-warmed accounts are available ready to buy and send.

Pricing: Google Workspace and Microsoft 365 both starting from $2.50/mailbox/month on Enterprise annual billing. Azure at $30/tenant (up to 100 mailboxes). Plans: Professional $39/mo (10 slots), Agency $99/mo (30 slots), Enterprise $299/mo (100 slots). Annual billing saves up to 20%.

Includes InfraGuard monitoring (blacklist checks every 6h, DNS watching, bounce tracking), unlimited inbox placement testing, email insights, and 24+ native sequencer integrations. Isolated Warmup add-on at $3/mb/mo warms accounts independently (not shared pool). Full API access and webhooks on all plans.

InboxKit dashboard

Strengths

  • Google Workspace & Microsoft 365 both from $2.50/mo (Enterprise annual)
  • Pre-warmed accounts available ready to send
  • Dedicated US-IP addresses on every account
  • InfraGuard monitoring (blacklist every 6h) + unlimited placement testing
  • 24+ native sequencer integrations + full API on all plans
  • Azure mailboxes at $30/tenant + email insights

Limitations

  • No built-in sequencing, infrastructure-focused only
  • Newer platform compared to Instantly or SmartLead ecosystems
Pricing

Google & Microsoft 365 from $2

Get Started
InfraForge

InfraForge

infraforge.ai

Best for: Dedicated-IP like-for-like

InfraForge is the closest match to AeroSend's private, isolated-infrastructure model: dedicated-IP email infrastructure at $3/mailbox/mo plus $99 per dedicated IP per month, part of the Salesforge stack. Where AeroSend bundles isolation into 10-domain pods, InfraForge gives you dedicated IPs as an explicit line item and is backed by a more mature ecosystem.

The $99/IP fee makes it expensive at small scale, real Google mailboxes live in the sibling Primeforge product, and monitoring is not as proactive as AeroSend's burn alerts. But if dedicated IPs and a proven ecosystem matter more than bundled burn alerts, it is the like-for-like swap.

InfraForge homepage

Strengths

  • True dedicated IPs for IP-level isolation
  • Scales to high volume
  • Mature ecosystem with SOC2

Limitations

  • $99/IP fee makes it expensive at small scale
  • Real Google mailboxes live in a separate product (Primeforge)
  • Monitoring not as proactive as AeroSend's burn alerts
Pricing

$3/mailbox/mo + $99/dedicated IP/mo

Full comparison
Mailbloom

Mailbloom

mailbloom.io

Best for: Private-server isolation at volume

Mailbloom (the evolution of Mailscale) takes isolation further than AeroSend's pods: your own dedicated private server with fresh, isolated IPs and up to 200 mailboxes for a flat per-server price. It includes customer screening, 24/7 monitoring, and Smartlead/Instantly integration, with a Trustpilot 4.8.

Per-server pricing is quote-based, dedicated IPs need real volume to stay warm, and it is private SMTP (not Google/Microsoft). But if you want maximum isolation and have the volume to use a private server, it is the heavier-duty alternative to AeroSend's pods.

Mailbloom homepage

Strengths

  • Full private-server isolation with fresh dedicated IPs
  • Flat per-server pricing, excellent at volume
  • 24/7 monitoring and strong support

Limitations

  • Per-server pricing is quote-based
  • Dedicated IPs need real volume to stay warm
  • Private SMTP, not Google/Microsoft
Pricing

Flat per dedicated server (quote-based)

Visit site
Maildoso

Maildoso

maildoso.com

Best for: Budget SMTP at volume

Maildoso is the value alternative on SMTP economics: a floor as low as $0.80/mailbox at scale and a hero rate near $1.80, with combo plans that add official Google Workspace, three-day placement testing, and self-healing mailboxes that pause and rotate burned accounts, a lighter version of AeroSend's burn-alert idea.

There is no Microsoft 365, Google is only in Combo bundles, and it is shared SMTP rather than per-pod dedicated isolation. But for high-volume senders who want monitoring-style protection at a much lower cost, it undercuts AeroSend with a proven track record (400k+ mailboxes, G2 4.7).

Maildoso homepage

Strengths

  • Cheapest bulk SMTP pricing
  • Combo adds real Google Workspace
  • Placement tests every 3 days, self-healing mailboxes

Limitations

  • No Microsoft 365
  • Google only in Combo bundles
  • Shared SMTP, not per-pod dedicated isolation
Pricing

From ~$1.80/mailbox, as low as $0.80/mailbox at scale

Full comparison

Switch to InboxKit

Plans from $39/mo with 10 mailboxes included. InfraGuard monitoring and 24+ integrations.

Get Started
PrimeForge

PrimeForge

primeforge.ai

Best for: Google/Microsoft swap

If the real reason you are leaving AeroSend is that you want Google or Microsoft accounts, PrimeForge sells them directly at $4.50/mailbox monthly or $3.50 annually (10-slot minimum), pre-warmed with automated DNS, US IPs, and ESP matching.

It is a higher price than InboxKit, with no per-pod isolation or burn alerts and no standalone monitoring suite. But it is a clean swap if you want mainstream Google/Microsoft inboxes instead of private SMTP.

PrimeForge homepage

Strengths

  • Real Google and Microsoft accounts, pre-warmed
  • Automated DNS, US IPs, ESP matching
  • Mature ecosystem

Limitations

  • Higher price than InboxKit
  • No per-pod isolation or burn alerts
  • No standalone monitoring suite
Pricing

$4.50/mailbox monthly or $3.50 annually (10-slot minimum)

Full comparison
Zapmail

Zapmail

zapmail.ai

Best for: Pre-warmed real accounts with monitoring

Zapmail offers pre-warmed Google Workspace and Microsoft 365 mailboxes (12 weeks of warmup done before delivery) with ZapShield reputation protection and placement testing credits. Plans run $39/$99/$299 for 10/30/100 mailboxes from a $2.50/mailbox floor.

There is no Azure, the API is locked to the Pro tier, and placement credits are capped per plan. But if you want real accounts with built-in monitoring and a low entry point, it is a strong pre-warmed alternative.

Zapmail homepage

Strengths

  • Pre-warmed real Google/Microsoft accounts
  • ZapShield monitoring and fast OAuth setup
  • Transparent tiers, lower entry than AeroSend

Limitations

  • No Azure
  • API locked to the Pro tier
  • Placement credits capped per plan
Pricing

$39/$99/$299 for 10/30/100 mailboxes, $2.50/mailbox floor

Full comparison
ScaledMail

ScaledMail

scaledmail.com

Best for: Managed isolation

ScaledMail offers isolated tenants in a fully managed multi-provider package (Google, Outlook, SMTP), built and run for you in 24 to 72 hours. It is the done-for-you alternative if you liked AeroSend's hands-on model but want real Google/Outlook accounts.

There is no self-serve dashboard, reporting is a paid add-on, there is no free trial, and no burn-alert-style monitoring. But it is a managed, real-account alternative when you want isolation without running private SMTP.

ScaledMail homepage

Strengths

  • Isolated tenants across multiple providers
  • Multi-provider blend (Google, Outlook, SMTP)
  • Fully managed, 2,000+ agency customers

Limitations

  • No self-serve dashboard
  • Reporting is a paid add-on, no free trial
  • No burn-alert-style monitoring
Pricing

~$1 to $3.50/mailbox

Full comparison

Our Verdict

Bottom Line

AeroSend is a genuinely well-engineered cold infrastructure product, isolation pods, aged IPs, and proactive burn alerts are the right design choices, and for agencies comfortable being earlier adopters it is a fair, capable option. But if you are shopping for an alternative, you usually want real accounts, an established track record, or a lower entry point. For most teams making that move, InboxKit is the strongest answer: real Google, Microsoft, and Azure mailboxes on dedicated US IPs, the same monitoring value through InfraGuard, and a starting point of 10 mailboxes from $39/mo.

Frequently Asked Questions

For monitoring on real accounts, InboxKit. For a dedicated-IP like-for-like, InfraForge or Mailbloom. For the lowest cost, Maildoso.

No. AeroSend is private SMTP infrastructure. For real Google/Microsoft accounts, use InboxKit, PrimeForge, or Zapmail.

No. You commit to a 10-domain slot (about 30 mailboxes) before sending. InboxKit (from 10 mailboxes at $39/mo) and Zapmail offer lower-commitment entry points.

InboxKit's InfraGuard (6-hour blacklist checks, DNS drift, bounce tracking, auto-pause) is the closest, on real accounts. Maildoso's self-healing mailboxes and Zapmail's ZapShield are lighter versions.

Maildoso (from about $1.80 SMTP) is the cheapest. InboxKit is competitive at $2.50 to $3.50 for real accounts with monitoring included.

It is young, with around five G2 reviews and self-reported deliverability metrics. If track record matters, established alternatives like InboxKit, PrimeForge, and Maildoso have larger, more independent review bases.

Ready to switch?

Plans from $39/mo with 10 mailboxes included.

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