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About

Mailwarm : Automated Email Warmup & Deliverability Software Mailwarm is a cloud-based email warmup and deliverability platform designed to help businesses improve inbox placement and reduce spam filtering risks. Since 2020, Mailwarm has supported startups, sales teams, recruiters, agencies, and outbound marketers that rely on cold email and domain reputation management for growth. The platform strengthens sender reputation by generating consistent, natural engagement signals across multiple mailbox providers. Instead of relying on shortcuts, Mailwarm builds long-term trust with email providers through structured warmup automation. Mailwarm supports Gmail, Outlook, Microsoft 365, Yahoo, and custom SMTP configurations, making it suitable for teams launching new domains, onboarding new sales representatives, or managing multiple client inboxes.

About

Sendscale is an AI-powered cold email and lead-generation platform that combines your entire outbound stack into a single workspace. Unlike tools that handle just sending or just warmup, Sendscale brings together a team of 8 AI agents that find leads from your website, draft sequences, configure campaigns, rotate inboxes, and protect your deliverability, all from a single dashboard. Sign up free, connect your email, or grab a pre-warmed inbox, and get 1,000 lead credits to start outreach on day one. Recent updates include a new floating AI Chat assistant and pre-warmed inbox packages available from first login, making it one of the fastest ways to go from zero to a live outbound campaign.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Users searching for a powerful Email Warmup Tool to avoid landing in spam

Audience

Founders, sales teams, SDRs, and agencies running outbound email campaigns at scale.

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$69 per month
Unlimited emails/day
Unlimited accounts & SMTPs
Unlimited Users
Deliverability expert tailored engagement
Success Manager
Free Deliverability Audit
Free Version Not Supported
Free Trial Supported

Pricing

$35/month
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.9 / 5
design 4.6 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Over time, the platform helps improve email deliverability in a noticeable way, especially for users running cold email campaigns or outreach strategies consistently
  • Easy to use with a clean interface, saves time, and helps improve online visibility and engagement. It’s beginner-friendly and doesn’t require much technical knowledge to get started, which makes it very convenient.
  • It's reliable and runs automatically, so I don’t have to constantly check it. It also handles multiple accounts really well, even when you’re working at scale. The fact that it works across different email providers is a big plus for us. I also like having the spam score there to quickly see if everything is okay.
  • Mailwarm is an excellent email warm-up tool for improving email deliverability and sender reputation. The automated warm-up process gradually increases sending volume, helping emails land in the inbox instead of spam. It supports domain and IP warm-up, integrates easily with common email providers, and is ideal for cold email outreach, SaaS, and marketing campaigns. The dashboard is clear and the setup is fast, even for non-technical users.

Cons

  • The platform offers limited advanced customization options, which may not satisfy experienced users looking for more control over the warm-up process
  • Some advanced features are limited, and there is room for improvement in speed and overall performance during heavy use.
  • So far it’s been doing what we need, no complaints.
  • Advanced users may want more granular reporting on inbox placement and spam signals, but the core email warm-up functionality works very well. I told to the support they said that they will launch spam score feature in the coming weeks.

Pros & Cons from Real Users

Pros

  • SendScale gave us a stronger workflow for cold outreach. Lead discovery, campaign scheduling, email warmup, and reply management were easier to coordinate.
  • SendScale supported our cold email scaling by combining account warmup, advanced scheduling, lead lists, and outreach sequences in a single platform.
  • SendScale made outbound less overwhelming for our startup. The lead search, campaign builder, warmup, and reply tools helped us move faster with fewer steps.
  • Scaling our daily outreach volume significantly did not result in any spam issues or domain blacklisting; the safety features and throttles built into the sender are truly excellent for long-term health.
  • Outstanding deliverability rates. We are reaching decision-makers that our previous tools simply couldn't get to.

Cons

  • I would like more built-in copy suggestions for different industries. The tools are useful, but messaging still takes time to get right.
  • More advanced performance dashboards would be helpful for revenue teams. I wanted clearer campaign-level views for replies, booked calls, and account health.
  • There are still details to learn if you are new to cold email. Better examples for campaign structure and messaging would be helpful.
  • Some of the more advanced filtering and segmentation options do have a bit of a learning curve for new users.
  • Bulk editing existing sequences could be a bit more streamlined for users.

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Mailwarm
Founded: 2020
France
www.mailwarm.com

Company Information

SendScale
Founded: 2023
United States
www.sendscale.com

Alternatives

Alternatives

LiftInbox

LiftInbox

Unique Technologies
EmaReach

EmaReach

EmaReach AI
PrimaryHub

PrimaryHub

Voltic

Categories

Email Warmup Supported

Categories

Cold Email Supported

Integrations

AOL Mail Supported
Amazon SES Supported
Gmail Supported
Google Not Supported
Google Workspace Supported
Mailgun Supported
Microsoft 365 Supported
Microsoft Outlook Supported
SendGrid Supported
Yahoo! Mail Supported
Zoho Mail Supported

Integrations

AOL Mail Not Supported
Amazon SES Not Supported
Gmail Not Supported
Google Supported
Google Workspace Not Supported
Mailgun Not Supported
Microsoft 365 Not Supported
Microsoft Outlook Not Supported
SendGrid Not Supported
Yahoo! Mail Not Supported
Zoho Mail Not Supported
Claim Mailwarm and update features and information
Claim Mailwarm and update features and information
Claim SendScale and update features and information
Claim SendScale and update features and information