Mailflow
Email infrastructure and deliverability for outbound teams.
From $49/mo
Bottom line
Mailflow sells email infrastructure and deliverability for outbound teams. The listing floor is $49/mo.
Stands out for: The product is the mailbox and domain layer (infra plus deliverability), not a copy editor and not a LinkedIn sequencer.
Watch out for: You still attach a sequencer such as Instantly or Smartlead on top. Mailflow is the pipes, not the cadence UI.
Overview
Mailflow is outbound email infrastructure: domains, mailboxes, and deliverability controls aimed at teams that send cold volume. It sits next to Mailforge and Maildoso on the infra shelf, not next to Lemlist on the cadence shelf.
The listing starts at $49/mo. Confirm how many mailboxes, domains, and IPs that floor includes on mailflow.io/pricing. Pair it with a sequencer unless Mailflow's own sending UI covers your motion.
Who it's for
Best for
- Outbound teams standing up sending domains and mailboxes in bulk
- Agencies that want infra plus deliverability without a $599 EmailBison bill
- RevOps replacing Google Workspace inboxes used only for cold mail
- Senders who already have a sequencer and need cleaner pipes
Not ideal for
- Users who only need a Gmail merge add-on
- Teams shopping for LinkedIn automation
Key features
Overview. See the vendor site for current features and packaging.
Pricing
Mailflow lists from $49/mo for outbound email infrastructure and deliverability. Confirm live mailbox, domain, and IP counts on the vendor pricing page. Confirm current terms on the vendor site.
Checked 19 Sep 2026. Vendors change prices without notice.
Is Mailflow expensive?
Mailflow starts at $49/mo. We list 41 deliverability tools in total. 4 have a free tier, and those with a public price typically start around $12 a month.
- 1 quote-based
- 4 free tier
- 40 public price
Worked out automatically from every deliverability listing, so it updates as the directory changes.
Pros and cons
Pros
- Infra-plus-deliverability at a $49/mo listing floor
- Aimed at outbound volume, not internal Gmail
- Cheaper entry than EmailBison's $599/mo listing
Cons
- Not a LinkedIn or multichannel sequencer
- Mailbox counts at $49 need a live check
- Overlap with Instantly plans that already include warmup
What's new at Mailflow
No updates logged yet. Follow Mailflow and we will email you when it announces something new or its starting price changes.
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How Mailflow compares
See all Mailflow alternatives, with what each one does differently and a head to head for every pairing.
| Tool | Free tier | From | MCP | API | Compare |
|---|---|---|---|---|---|
| | – | $49/mo | – | – | |
| | – | $75/mo | ✓ | ✓ | Compare |
| | – | $3/mailbox/mo | – | – | Compare |
| | – | $37/mo | – | ✓ | Compare |
| | – | $39/mo | – | – | Compare |
$75/mo MCP API
Maildoso provisions high-volume SMTP and Google mailboxes from $75/mo, a close infra peer.
$3/mailbox/mo
Mailforge is budget SMTP mailbox provisioning from $3/mailbox/mo, cheaper per box if you only need SMTP.
$37/mo API
Plusvibe is AI cold email plus deliverability from $37/mo, a sender with infra rather than pipes-only.
$39/mo
InboxEagle monitors placement from $39/mo, a diagnostic layer rather than mailbox provisioning.
Your next step
Shortlisting Mailflow?
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