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What is MergeMail?

Enhance your email communications by integrating various fields from your Google Sheets, while also keeping tabs on email opens and link interactions. Utilize customizable email templates directly within Gmail and measure their success with performance analytics. Create visually appealing templates designed for newsletters or outreach, adding personalized variables to enhance engagement. With MergeMail, you can effortlessly connect to over 1,500 applications via Zapier, including major platforms such as Salesforce, HubSpot, Google Sheets, and Slack. Before sending, preview your emails to ensure accuracy and give recipients the choice to unsubscribe from future messages. On our Premium and Team plans, unlimited emails can be sent using Delivery Integrations while leveraging your personal email service for complete control. Analyze the effectiveness of different campaigns and templates, tracking conversion metrics with automatically generated UTM codes. Moreover, sharing templates and campaigns with your colleagues is simple, allowing for the insertion of links or images in specific columns to personalize further. This robust email management platform equips you with the tools necessary to significantly improve your outreach strategies and drive better results. By streamlining your email processes, you can foster deeper connections with your audience, ultimately leading to increased engagement and success in your campaigns.

What is Coldletter?

Coldletter is a product email platform that combines visual email design, template management, automation, and developer-friendly delivery workflows in one workspace. The platform is built to sit on top of existing sending providers, including SendGrid, Postmark, Amazon SES, Mailgun, Resend, and SparkPost. This allows teams to improve how emails are created and managed while continuing to rely on trusted providers for actual delivery. Coldletter’s editor lets users design emails like documents, using drag-and-drop blocks, reusable partials, typed variables, and real-time previews. Templates are built to be responsive, accessible, and dark-mode-safe, reducing the need for manual table-based HTML or MJML workarounds. Developers can send any template with one API call while Coldletter merges customer data, renders the email, chooses the configured route, and handles delivery safeguards. The platform also includes automation journeys with triggers, delays, branching logic, A/B testing, and scheduled sends. Teams can manage template versions like code, review diffs, roll back changes, run test sends, and require approvals before updates reach production. Localization features allow companies to create translated template variants that resolve automatically at send time. Unified analytics help teams track opens, clicks, bounces, and deliverability across multiple providers. Coldletter helps product, lifecycle, design, and engineering teams create better emails faster while keeping delivery reliable and workflows organized.

Media

Media

No images available

Integrations Supported

Gmail
Google Sheets
HubSpot Marketing Hub
Slack
Zapier

Integrations Supported

Amazon SES
Postmark
SendGrid

API Availability

API Availability

Pricing Information

$12 per month

Pricing Information

$0
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

24 Hour Support
Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

MergeMail

Date Founded

2019

Company Location

United States

Company Website

www.mergemail.co/features

Company Facts

Organization Name

Optosoftware inc.

Date Founded

2025

Company Location

Canada

Company Website

coldletter.com

Categories and Features

Email Personalization

Not specified

Email Template Design

Not specified

Email Tracking

Not specified

Categories and Features

Email Marketing

Not specified

Email Template Design

Not specified

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