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
You can split elements to optimize your email campaigns. module enables the highest level of optimization by emailing a limited number of recipients at first and examining their responses. You can send millions of mail keeping high deliverability rate using our superior infrastructure. You can use shared IPs, Dedicate IPs and even your own IPs. Easily build striking, mobile responsive email campaigns. choose one of the ready-made templates, edit it to fit your vision and send out a professional looking newsletter in a matter of minutes. You can use our dashboards to know your results at any moment. provides complete data, in real time, allowing simple and precise tracking of each newsletter or email campaign released into cyberspace. MailPipe is an excellent platform to manage your lists over different ESP’s from one point. Open an account and improve your performance in minutes.
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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
Individuals and businesses wanting an email template builder solution to optimize their email campaigns
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Not 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
No information available.
Free Version
Not Supported
Free Trial
Not 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
Not Supported
In Person
Not Supported
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Company InformationOptosoftware inc.
Founded: 2025
Canada
coldletter.com
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Company InformationMailPipe
Founded: 2020
www.mailpipe.co
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Categories |
Categories |
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Integrations
Amazon SES
Supported
Ongage
Not Supported
Optinize
Not Supported
Postmark
Supported
SMSEdge
Not Supported
SendGrid
Supported
turboSMTP
Not Supported
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Integrations
Amazon SES
Not Supported
Ongage
Supported
Optinize
Supported
Postmark
Not Supported
SMSEdge
Supported
SendGrid
Not Supported
turboSMTP
Supported
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