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Logo de l'outil Warmbox sur Freelance Stack
All deals (850+)
Logo de l'outil Warmbox sur Freelance Stack

Warmbox

Free Deal
2 deals available
Warm-up your cold email inbox. And never land in spam anymore.
Reach the inbox of your leads with Warmbox, the warm-up tool that raises your inbox reputation & increases your email deliverability.
Save big with 850+ deals 💶
Explore all deals
Illustration of Warmbox on Freelance Stack's deal page
2 deals available
Free Deal
Premium Deal #1

12.5% off on annual plan

All our deals are negotiated by our team to give you the best discount and are updated regularly.
This deal requires you to create a new account to benefit from the discount. It is reserved for new customers

Additional 30% off during 12 months

All our deals are negotiated by our team to give you the best discount and are updated regularly.
This deal requires you to create a new account to benefit from the discount. It is reserved for new customers
Save Money !
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Access our 850+ exclusive promo code for $55/year.
and over 850 other deals.
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📅 March 2026 -

 Our promo code verified with the software 

Warmbox

Benefit from an additional 30% off during 12 months on Warmbox.

Save an additional 30% off during 12 months on Warmbox thanks to our exclusive partnership.

Freelance Stack is the first deals platform to access best discounts, coupon codes and credits on 850+ software, SaaS and online services for entrepreneurs and startups. We offer exclusive and validated discounts that we negotiate directly with partners to help you to grow and save money. Our coupon codes enable thousands of entrepreneurs, startups, freelancers and consultants to save thousands of euros on the best softwares.

Don’t wait any longer and save an additional 30% off during 12 months on Warmbox.

📄 Information about 

Warmbox

Warmbox is a platform designed to optimise email deliverability and improve email marketing campaigns. It helps users configure email addresses and create automated sending sequences, ensuring that messages reach recipients' inboxes. Warmbox uses email warming techniques to increase the reputation of addresses, which is essential for avoiding spam filters.

By providing analysis and recommendations on campaign performance, Warmbox enables businesses to adjust their emailing strategy and maximise their impact. In short, Warmbox is an effective solution for improving the deliverability and effectiveness of email marketing campaigns.

Why email warm-up is important?

Without email warm-up: Running cold emailing campaigns for sales or marketing needs without warm-up can be risky for your sender reputation & your deliverability.

  • A lot of your emails are landing in spam
  • Email providers can blacklist your domain
  • All your emails can be qualified as dangerous

Thanks to email warm-up: Send cold email campaigns that don't land in spam. Let your emails reach the inbox, get more leads and generate more sales!

  • Your emails are sent & delivered
  • Increase your deliverability & reputation
  • Reach your leads & close more deals

How it works?

Warmbox sends emails automatically from your inbox & interact with them, as perfect leads would do, to increase your email deliverability.

  1. Connect your inbox in 2min & start your warm-up
  2. We interact automatically, as humans, with your emails
  3. +35,000 inboxes ready to raise your email reputation
  4. Monitor your new great deliverability results with detailed reports

💬 Frequently asked questions about Warmbox's promo:

In this section, you will find all the main questions you may have about accessing this discount. We wanted to provide you with as much information as possible to help you save as much as possible on your software subscriptions. 

1️⃣ How to access to the deal with Warmbox?

This promo code allows you to save money and enjoy premium features on Warmbox paid plans and subscriptions. Check the eligibility criteria on this page to see if you can benefit from this discount. Don't miss out on the opportunity to pay less for your subscription to one of the best tools on the market.

2️⃣ Why Freelance Stack can help you to access to Warmbox discount?

As a partner of Warmbox, you can easily save on your subscription to this software. Without us or another affiliate partner, you will have difficulties to activate the discount. We are the largest discount promo code platform for software and SaaS in the world.

3️⃣ How to use Warmbox deal?

To use the discount with Warmbox, you need to click on the various buttons that may be available on the right side of the deal page and follow the instructions to unlock this promotion.

4️⃣ What are Warmbox's promo requirements?

We specify all the terms and conditions on each deal page. You must click on the various buttons on the deal page to view all the terms and conditions. This deal requires you to create a new account to benefit from the discount. It is reserved for new customers of Warmbox.

🔄 Alternatives to Warmbox software:

Find the right software with our suggestions for alternative solutions.

When growing a business, comparing the right tools is essential. With thousands of options available, these solutions are strong alternatives to Warmbox 

🆕 Our new Premium deals:

We offer discounts on 650+ different software. We regularly add new discounts on the best software for freelancers, consultants and entrepreneurs.

Discover these new software in addition to the deal we offer with Warmbox.

👤 Our members have just used these other deals:

We offer discount on 850+ different software. That's both a lot and a little compared to all the software that exists and that could help you in your business as entrepreneur or business owner.

Discover new software and discounts to complement the deal we offer on Warmbox