Warmup Inbox logo

Warmup Inbox

by Itrinity · Since 2014
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ActiveAvailable globallyCloud
Quick facts
VendorItrinity
Year launched2014
StatusActive
LocationPrague, Czech Republic
Countries servedGlobal
Languages12
Integrations7+
Free tierN/A
Free trialYES
Contact salesN/A

About Warmup Inbox

Warmup Inbox is a cold email warm-up software from Itrinity that aims to improve the deliverability of the cold email campaigns through a network of inboxes interacting with each other. It provides features such as cold email sequence, language warmup, and email warmup so users can achieve better inbox placement and engagement rates. This tool is designed to help users ensure that their emails reach the intended recipients more effectively. Key capabilities: cold email sequence language warmup email warmup ESP warmup tool network interaction Best for: marketers and sales professionals who need to improve the deliverability of their cold email campaigns.

Warmup Inbox is a solid software solution for anyone looking to improve their email deliverability and avoid landing in spam folders. The platform's core functionality is built on a network of real, human-like inboxes, which is a key differentiator from services that use inactive or fake accounts. By sending and receiving emails through this network, Warmup Inbox effectively simulates genuine, positive engagement, thereby building a sender's reputation with major email service providers like Google and Outlook. This automated, hands-off approach makes it incredibly simple to set up, with many users reporting they were live and seeing results within a matter of days. For sales and marketing teams, this is a valuable tool that not only saves time but also provides the confidence to run large-scale email campaigns without fear of deliverability issues. The user-friendly interface and clear reporting dashboards further enhance the experience, providing actionable insights into email performance. The software's features extend beyond basic warming, offering tools that proactively address common deliverability problems.

Pros & Cons

Pros
  • Excellent and responsive customer support that helps with setup and troubleshooting
  • Easy-to-use interface with a clean and simple GUI
  • Effective Gmail warm-up process with multiple inbox handling
  • Provides clear results and improves inbox reputation consistently
  • Reasonably priced compared to alternatives in the market
Cons
  • Warm-up campaigns may stall or restart unexpectedly
  • Promised email volumes sometimes not fully delivered
  • Support can be slow to resolve deeper technical issues
  • Limited sending capacity for some users’ needs
  • Performance inconsistency reported over several months

Features

Key features

Reputation Score & Monitoring

Tracks your sender reputation and alerts you if it drops.

Real Inbox Warm-up

Uses 20K+ real inboxes to send/receive emails and build trust with providers.

Language Warm-up

Sends warm-up messages in multiple languages for global outreach.

Cold Email Sequence Tool

Automates and personalizes outreach campaigns with follow-ups.

Technical Setup Tools

Provides SPF/DMARC record generators and audits for correct setup.

Additional features

Real Inbox Warm-up

Automates opens, replies, and engagement via real accounts.

Reputation Monitoring

Benchmarks and tracks your email reputation health.

Alerts & Notifications

Warns you when deliverability or reputation issues occur.

ESP Integrations

Connects with Gmail, Outlook, Zoho, SendGrid, and custom SMTP.

Cold Email Sequences

Manages outreach with automated follow-ups and templates.

Multilingual Warm-up

Supports sending warm-ups in different languages.

Custom Templates & Statistics

Lets you create templates and analyze their performance.

Spam & Category Monitoring

Identifies when emails land in Spam or Promotions folders.

Technical Setup Check

Runs SPF, DKIM, DMARC checks for compliance.

Dashboards & Reporting

Provides clear insights and progress tracking.

Developer API Access

Enables integration with other systems (Pro/Max plans).

Affiliate Program

Offers partnership incentives for referrals.

Free Trial

7-day trial to test features before subscribing.

Pricing

Free trial
Free version
Request a quote
Promo Offer

Monthly plans

Basic
USD 19/mo
billed monthly
Pro
USD 59/mo
billed monthly
Max
USD 99/mo
billed monthly

Countries & Languages

Global
Countries served
12
Interface languages
13
Billing currencies

Interface languages

EnglishSpanishFrenchGermanItalianPortugueseRussianChineseJapaneseKoreanDutchArabic

Billing currencies

🇺🇸USD🇪🇺EUR🇬🇧GBP🇦🇺AUD🇨🇦CAD🇯🇵JPY🇨🇭CHF🇨🇳CNY🇷🇺RUB🇮🇳INR🇧🇷BRL🇿🇦ZAR🇲🇽MXN

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