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Average Ratings 0 Ratings

Total
ease
features
design
support

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Write a Review

Description

MyColdInbox is a collaborative email management platform designed for teams to efficiently manage replies to cold outreach across various sending accounts. It integrates seamlessly with Gmail, Google Workspace, Outlook, Microsoft 365, and other IMAP/SMTP email services, consolidating incoming messages into a single, accessible workspace while ensuring that each message remains linked to its respective source mailbox. Users can easily filter and search through conversations, categorize replies with labels, assign discussions to team members, add internal comments, and respond directly from the original sending account. The platform offers role-specific workspaces, catering to agencies that manage client inboxes as well as teams focused on sales development, lead generation, recruitment, and outreach led by founders. Unlike typical email campaign tools, MyColdInbox specializes in handling replies and allows teams to continue using their preferred campaign software. Additionally, it features thread status tracking and customizable visibility options for shared or personal inboxes, enhancing team collaboration and efficiency. With MyColdInbox, teams can ensure that no reply goes unnoticed, fostering better communication and follow-up strategies.

Description

Sendmux provides AI agents with dedicated inboxes and a streamlined method for sending emails. Each agent is capable of receiving communications, reviewing conversation threads, managing attachments, replying to messages, and reacting to incoming mail through signed webhooks or Server-Sent Events. Teams can utilize various sending methods including Gmail OAuth, Outlook OAuth, SMTP providers, or managed Amazon SES, allowing for flexibility in their email communications. Additionally, Sendmux offers the ability to distribute sending across different providers using features like weighted routing, sender-domain routing, health checks, failover mechanisms, and customizable quotas based on time intervals such as seconds, minutes, hours, or days. For developers, the platform includes Mailbox, Sending, and Management APIs, comprehensive OpenAPI documentation, SDKs, the sendmux CLI, and MCP tools, along with Sendmux Skills. Moreover, the system ensures tenant isolation, provides mailbox-scoped API keys, supports custom domains, and includes logging and metrics, all while maintaining a usage-based pricing model without imposing fees for each seat or mailbox. This comprehensive approach enhances the overall email management experience for teams and developers alike.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Gmail Yes 
Microsoft Outlook Yes 
Amazon SES Yes 
Brevo Yes 
Claude No 
Claude Duet No 
Claude for Legal No 
FetchSandbox No 
GoDaddy Email Yes 
Google Workspace Yes 
LangChain No 
Mailgun Yes 
Microsoft 365 Yes 
Python No 
SendGrid Yes 
Slack No 
Vercel AI SDK No 
Yahoo! Mail Yes 
Zapier No 
n8n No 

Integrations

Gmail Yes 
Microsoft Outlook Yes 
Amazon SES No 
Brevo No 
Claude Yes 
Claude Duet Yes 
Claude for Legal Yes 
FetchSandbox Yes 
GoDaddy Email No 
Google Workspace No 
LangChain Yes 
Mailgun No 
Microsoft 365 No 
Python Yes 
SendGrid No 
Slack Yes 
Vercel AI SDK Yes 
Yahoo! Mail No 
Zapier Yes 
n8n Yes 

Pricing Details

$15/user/month
Basic is $15 per seat per month; Pro is $29 and Business is $45 per seat per month. Paid plans receive 20% off with yearly billing. The 14-day free trial includes up to two mailboxes and requires no credit card. Basic allows up to 10 mailboxes; Pro and Business have no mailbox limit. Plans do not charge per mailbox.
Free Trial Yes 
Free Version No 

Pricing Details

$0.15 per 1000 emails
Free Trial No 
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 Yes 
Live Rep (24/7) Yes 
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) Yes 
In Person Yes 

Vendor Details

Company Name

Clustox LLC

Founded

2012

Country

United States

Website

mycoldinbox.com

Vendor Details

Company Name

Sendmux

Founded

2026

Country

Australia

Website

sendmux.ai

Product Features

Email Management

Data Recovery No 
Email Archiving No 
Email Deletion No 
Email Discovery No 
Email Monitoring No 
Email Recall No 
Queue Manager No 
Response Management No 
Routing No 
Shared Inboxes No 
Signature Management No 
Spam Blocker No 
Whitelisting / Blacklisting No 

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