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Warmerly lemlist
One-to-one · Senders or mailboxes

Senders or mailboxes

One row, in depth: what each tool does, the verified numbers, and who each suits.

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lemlist details read from its pricing page, home page and help centre on 21 October 2026.

Warmerly

1, 5, 25 or 100 by plan; more on a call

lemlist

Unlimited senders on Email; 5 per user on Multichannel

The short answer

Senders or mailboxes, in one look.

Warmerly sets mailboxes by plan: 1 on Free, 5 on Starter, 25 on Growth, 100 on Agency, and more on a call. lemlist's Email plan lists unlimited senders. Its Multichannel plan lists 5 senders per user. On the Email plan lemlist is ahead on how many addresses you can connect at one price. Last checked 21 October 2026.

Warmerly

1, 5, 25 or 100 by plan; more on a call

lemlistlemlist ahead on this row

Unlimited senders on Email; 5 per user on Multichannel

The picture

Drawn side by side.

Mailboxes or senders, by plan

How many sending addresses each plan connects

Warmerlylemlist
Warmerly
Starter5
Growth25
Agency100
lemlist
Multichannel, per user5
Email planUnlimited senders

Warmerly's Free plan has 1 mailbox, and more than 100 is priced on a call. lemlist's help centre says one seat is one user and one sender, which does not match the pricing page's 5 senders per user.

How Warmerly does it

Warmerly, in detail.

A fixed number of mailboxes per plan, each warmed, with the plan price shared by everyone in the workspace. The mailbox count is the limit you buy, and the daily send limit on each mailbox is the volume control.

01

Mailboxes by plan

Free has 1 mailbox, Starter 5, Growth 25 and Agency 100. Beyond 100 is priced on a call.

Warmerly product, checked 21 October 2026

02

What a mailbox costs on each plan

Starter is $19 for 5, which is $3.80 a mailbox. Growth is $49 for 25, which is $1.96. Agency is $179 for 100, which is $1.79. Each is a plan price divided by its mailbox count, not a separate per mailbox charge.

Warmerly product, checked 21 October 2026

03

Sends are not metered on paid plans

No paid plan carries a monthly send cap. A mailbox cannot exceed its own daily campaign limit, 30 by default, so the mailbox count already bounds monthly volume. Five mailboxes can reach about 4,500 sends a month at that default.

Warmerly product, checked 21 October 2026

04

Any mailbox type

Warmerly connects Gmail, Outlook, Zoho or any SMTP and IMAP mailbox, and also has hosted mailboxes.

Warmerly product, checked 21 October 2026

05

Hosted mailboxes sit outside the plan slots

A hosted mailbox bought through Warmerly does not use up one of the plan's mailbox slots. Its price is separate and is set in Warmerly's own hosted mailbox pricing.

Warmerly product, checked 21 October 2026

06

A warning, not a block, for crowded domains

The pre-launch check warns when more than 5 senders share one domain.

Warmerly product, checked 21 October 2026

07

Where Warmerly is behind

There is no plan with unlimited mailboxes. Going past 100 means a conversation about a custom plan, not a price on the page.

Warmerly product, checked 21 October 2026

How lemlist does it

lemlist, in detail.

lemlist lists unlimited senders on Email and 5 per user on Multichannel. Its help centre ties a seat to one user and one person's addresses, and the Email plan is priced by monthly sending volume.

01

Email: unlimited senders

The pricing page lists unlimited users and unlimited email senders on the Email plan.

lemlist.com/pricing · read 21 October 2026

04

One seat is one user and one sender

The seats article says a seat is one user with the ability to send campaigns, and that one seat is one user and one sender. Only users with an active paid seat can send outreach. You can invite unlimited users, as an Admin or Member, with or without a seat.

help.lemlist.com/en/articles/7883576-understand-seats-in-lemlist · read 21 October 2026

What lemlist does not say

We looked, and found no statement on these. That is about its published pages only, not about the product.

  • A price for extra email slots. A help article names add-on email slots but gives no amount.
  • Multichannel prices at volume tiers, and the price of an extra seat. The seats article names neither.
  • Whether the Email plan has any cap on connected sending addresses beyond the word unlimited.

Where the sources disagree

We report each version rather than pick one.

  • The pricing page says 5 senders per user on Multichannel. A help article says one seat is one user and one sender. They may describe different things.
  • The pricing page lists the Email plan at $69 for 50,000 emails without showing higher tiers. The plans help article lists tiers up to 1,000,000 emails. We use the help article for the higher tiers and treat them as current, since it states the figures are as published.
The numbers

Only what we could verify.

Senders or mailboxes: Warmerly and lemlist side by side. Warmerly is in the first column.
MeasureWarmerlylemlist
Senders or mailboxes1, 5, 25 or 100 by plan; more on a callUnlimited senders on Email; 5 per user on Multichannel
Mailboxes on the cheapest paid plan5Unlimited senders
Largest self-serve plan100 mailboxes5 senders per user on Multichannel
Price per mailbox at 25$1.96 on Growth ($49 for 25)Not per sender: $69 for 50,000 emails on Email
Monthly volume ceiling by planNone on paid plans; 30 a day per mailbox50,000 emails on the $69 Email tier
Who the addresses must belong toNo such rule found in the plan limitsOne person per account on Multichannel and Enterprise
In practice

What it means for you.

Our reading of the facts above. Not a promise, and not the only reasonable reading.

1

Many addresses, one price

lemlist's Email plan is the better fit if you want to connect many sending addresses at one flat price.

2

Counting mailboxes honestly

More mailboxes only help if each is warmed and sends at a safe daily volume. The number on a plan is a limit, not a target.

3

How many mailboxes 50,000 emails needs

lemlist's cheapest Email tier covers 50,000 emails a month. At Warmerly's default of 30 sends a day, a mailbox sends 900 in a 30 day month, so 50,000 would take about 56 mailboxes sending every day at full default volume. That is more than Growth's 25 and fewer than Agency's 100. Few teams run every mailbox at its limit every day, so treat it as an upper bound.

4

What Growth can send

25 mailboxes at 30 a day is 750 a day, or 22,500 in a 30 day month, for $49. Agency's 100 mailboxes at the same default is 90,000, for $179. These are ceilings from the default limit, not forecasts, and warmup traffic is separate.

5

Two sellers on lemlist Multichannel

Two users at $109 is $218 a month and gives up to 10 senders, 5 each, if every address belongs to its own user. On Warmerly the same $218 buys Agency at $179 plus two LinkedIn accounts at $19, which is $217, with 100 mailboxes. The two are not like for like, since lemlist includes calling and SMS.

6

Planning for a switch of plan type

Because lemlist says Email and Multichannel Expert cannot be switched directly, a team that starts on Email and later needs LinkedIn faces a new team and a manual move of contacts, companies and unsubscribes. In Warmerly, LinkedIn is an add-on on any plan, so the plan does not change.

Who it suits

Pick the one that fits.

Warmerly

Warmerly is the better fit if

  • You want a clear mailbox count per plan with warmup on each.
  • Five to 25 mailboxes is the size you work at.
  • Several people share the same mailboxes and you do not want a seat for each.
lemlist

lemlist is the better fit if

  • You want unlimited senders on a flat plan.
  • You run a very large number of sending addresses.
  • You want the price tied to monthly volume, from 50,000 emails up to 1,000,000.
Questions
How many mailboxes can I connect to Warmerly?

One on Free, 5 on Starter, 25 on Growth and 100 on Agency. More than 100 is priced on a call.

Does lemlist really allow unlimited senders?

The pricing page lists unlimited users and unlimited email senders on the Email plan, which is priced by monthly sending volume, from $69 for 50,000 emails. Multichannel lists 5 senders per user.

Can two people share one mailbox on lemlist?

lemlist's plans article says all connected sending addresses on Multichannel Expert and Enterprise must belong to the same person as the account, and that misuse can lead to suspension or disconnection. It does not describe the Email plan in the same terms.

Does a hosted mailbox use up a Warmerly plan slot?

No. A hosted mailbox bought through Warmerly sits outside the plan's mailbox slots and is priced on its own.

Is there a limit on how many emails Warmerly sends a month?

No monthly cap on paid plans. Each mailbox has its own daily campaign limit, 30 by default, and the mailbox count bounds the total. The Free plan keeps a real cap.

Sources

lemlist pages were read on 21 October 2026. Plans and wording change, so check the vendor's own page before you decide. Warmerly details come from the product as it runs today.

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