Average Ratings 0 Ratings
Average Ratings 0 Ratings
Description
Coldletter is an email design and automation layer that helps teams create, manage, and send product emails without replacing their existing email provider. It connects with delivery services such as SendGrid, Postmark, Amazon SES, Mailgun, Resend, and SparkPost, giving companies flexibility while keeping sending infrastructure intact. The platform includes a visual editor where teams can build templates, add variables, reuse blocks, and preview emails across clients such as Gmail, Outlook, and Apple Mail. Every template is designed to be responsive, accessible, and safe for dark mode by default. Developers can trigger templates through a single API request while Coldletter handles rendering, data merging, routing, retries, suppression, and idempotency. Marketing, lifecycle, design, and product teams can use the platform to manage email content without constantly relying on engineering for every change. Journey automation tools allow users to create workflows based on events, schedules, engagement, attributes, or A/B testing paths. Version control, template diffs, rollbacks, localization, test sends, roles, approvals, and analytics help teams manage production emails with more confidence. Coldletter gives organizations a structured way to build polished product emails while improving collaboration between technical and non-technical teams.
Description
Mailvex serves as an intuitive email builder tailored for teams seeking to create on-brand emails without the need for a designer or developer. Users can construct emails by utilizing pre-designed blocks, while their brand kit is seamlessly integrated; simply upload a PDF brand guide, and Mailvex automatically extracts essential elements like colors, fonts, logos, and spacing, applying them consistently across all templates. The platform adeptly manages the intricacies of email coding, including table-based layouts, inline styles, dark mode compatibility, mobile spacing adjustments, and a weight counter that ensures emails remain within clipping limits. Routine tasks are automated by AI, enabling users to generate an entire email based on a description, modify specific blocks, craft subject lines, create alt text, or even translate content. Additionally, layouts can be imported from various sources such as Figma, screenshots, or existing HTML, providing flexibility in design. The output produced is clean HTML that can easily be pasted into any email sending platform, complete with merge-tag profiles to facilitate personalization without requiring code adjustments. Mailvex offers 160 templates spanning 10 different industries, supports four interface languages, and includes a free plan that has no time restrictions, making it accessible to a wide range of users. This combination of features ensures that teams can efficiently produce high-quality emails that align with their branding goals.
API Access
Has API
No
API Access
Has API
No
Screenshots View All
No images available
Screenshots View All
No images available
Integrations
Amazon SES
No
Postmark
No
SendGrid
No
Pricing Details
$0
Free Trial
No
Free Version
Yes
Pricing Details
$12/month
Free Trial
Yes
Free Version
Yes
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Vendor Details
Company Name
Optosoftware inc.
Founded
2025
Country
Canada
Website
coldletter.com
Vendor Details
Company Name
Mailvex
Founded
2026
Website
mailvex.tech
Product Features
Email Marketing
A/B Testing
No
Artificial Intelligence
No
Auto-Responders
No
CAN SPAM Compliance
No
Customer Surveys
No
Drip Campaigns
No
Dynamic Content
No
Event Triggered Email
No
Image Library
No
Landing Pages/Web Forms
No
Mailing List Management
No
Mobile Optimized Emails
No
Reporting/Analytics
No
Subscriber Management
No
Template Management
No
WYSIWYG Email Editor
No
Email Template Design
A/B Testing
No
Code From Scratch
No
Drag & Drop Editing
No
Image Library
No
Import HTML Code
No
Mobile-Friendly / Responsive
No
Potential Issue Identification
No
Premade Templates
No
Proofing
No
Reporting / Analytics
No
Text Editor
No
Theme Editor
No
Product Features
Email Template Design
A/B Testing
No
Code From Scratch
No
Drag & Drop Editing
No
Image Library
No
Import HTML Code
No
Mobile-Friendly / Responsive
No
Potential Issue Identification
No
Premade Templates
No
Proofing
No
Reporting / Analytics
No
Text Editor
No
Theme Editor
No