ColdletterOptosoftware inc.
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Related Products
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About
Coldletter is an email templating and automation platform built for product and engineering teams that need better control over the emails their applications send. The platform works on top of providers such as SendGrid, Postmark, Amazon SES, Mailgun, Resend, and SparkPost, allowing teams to keep their existing delivery stack. Users can design responsive, accessible, and dark-mode-safe email templates with a visual editor instead of hand-coding complex HTML or MJML. Coldletter also supports reusable blocks, typed variables, live previews, test sends, localization, version control, and approval workflows. Its automation tools let teams build email journeys with triggers, waits, branches, A/B testing, and delivery analytics. Coldletter helps teams design, automate, manage, and deliver product emails more reliably from one centralized workspace.
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About
We collected your requests and suggestions to create new powerful tools. Now creating customized emails and newsletter templates is even more simple, intuitive and immediate. Discover all the new features. MailStyler is the first and only editor that allows you to reposition your images inside the frames, choosing the portion of the picture you want to show. You can resize the frames at will, prioritizing your content, and you can do it all from your newsletter with no external software. Adjust your photos in a super dynamic, real-time dashboard and choose your result. Newsletter editor default blocks are often static and cannot be changed. The new MailStyler dynamic blocks are fully customizable. Select your block and edit at will: move items, delete or enter new elements by importing them from software or personal libraries. New blocks will be automatically generated in HTML code with inline CSS style to guarantee newsletters are always perfectly displayed.
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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
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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
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Audience
Coldletter is designed for product teams, engineering teams, lifecycle marketers, SaaS companies, and developers that need a centralized platform for designing, automating, versioning, and sending product emails through existing providers
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Audience
Marketers and companies looking for an email template editor solution to create customized emails and newsletter templates
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and VideosNo images available
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Screenshots and Videos |
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Pricing
$0
Free Version
Supported
Free Trial
Not Supported
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Pricing
$99
Free Version
Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationOptosoftware inc.
Founded: 2025
Canada
coldletter.com
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Company InformationMailStyler 2
United States
www.newslettercreator.com/software-features/
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Integrations
Amazon SES
Supported
IntelliClick
Not Supported
Postmark
Supported
SendGrid
Supported
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Integrations
Amazon SES
Not Supported
IntelliClick
Supported
Postmark
Not Supported
SendGrid
Not Supported
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