Sendmux Pricing: Cost and Pricing plans

Sendmux Pricing

Free Trial

Available

Pricing Insights for Email Software

The Average Cost of a basic Email Software plan is $10 per month.
31% of Email Software offer a Free Trial Allows users to try out the software for a limited period before making a purchase decision. , while 28% offer a Freemium Model Allows users to access basic features at no cost..

Sendmux FAQs

What is Sendmux?

Sendmux is one workspace and API to send, receive, route, and monitor email, built for products and AI agents. Instead of running a sending provider alongside a separate inbound setup, you get transactional sending, real mailboxes, delivery logs, and webhooks in one place.

Can Sendmux receive email, or does it only send?

It does both. Every mailbox can send mail, receive it, hold messages, and be read or replied to through the Mailbox API. You can search threads, triage inbound messages, and sync them back into your app.

Is it safe to give an AI agent its own email address?

Yes, because sending is gated behind human approval. An agent can self-register for a constrained mailbox and read or receive mail straight away, but it cannot send a single message until you, the owner, approve it. Your domain's sending reputation stays under your control.

How is Sendmux different from a send-only transactional email API?

Traditional email APIs are great at delivery and stop there. If your product needs to read replies or let an agent act on what came back, you end up gluing a second inbound service on top. Sendmux removes that seam and adds owner-approved agent access, which send-only providers do not offer.

How do I connect it, and do I need my own domain?

Connect through the REST API, a CLI, official SDKs for Python, Go, Ruby, PHP, and TypeScript, or a hosted MCP server with OAuth for AI tools. Use a verified custom domain in production, or the shared myagent.mx domain to send your first test in about two minutes.

Does Sendmux offer a free plan?

No, Sendmux does not offer a free plan.

Learn more about Sendmux pricing.

Compare Sendmux Pricing Against Competitors

Product Name	Starting Price ($)	Billed	Unit	Free Trial	Learn More
Sendmux	-	-	-		Sendmux Pricing
Superhuman	12	per month	-	-	Superhuman Pricing
Boomlify Temp Mail	-	-	-	+	Boomlify Temp Mail Pricing
TypeApp	-	-	-	-	TypeApp Pricing
Migma.ai	23	per month	-	+	Migma.ai Pricing
EmailJS	4	per month	-	-	EmailJS Pricing
TemplateManager365	2	per month	per user	-	TemplateManager365 Pricing
Zoho Mail	1	per month	per user	+	Zoho Mail Pricing
Guerrilla Mail	-	-	-	-	Guerrilla Mail Pricing
Missive	14	per month	per user	-	Missive Pricing

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Sendmux Features

Show Feature Explanation

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Email Features

Features: The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more

96%

Custom Domain Support

Allow business email with branded domains.

Undo Send

Allows to recall or retrieve mistakenly sent emails

Spam and Malware Filtering

Protect against phishing, spam, and harmful files.

Two-factor Authentication

Enhance admin login security with Two-Factor Authentication (2FA) using SMS codes, biometrics, or physical tokens to prevent unauthorized access.

SSL TSL Certificate

Enable HTTPS and secure communication

Cross Device Access

Access seamlessly across desktop, mobile, tablet, kiosks, and apps.

Email Automation

Automates the emailing process by sending out targeted messages to clients based on time and specific actions.

Storage Management

Systematically stores and organizes all your documents that drastically reduce the risk of lost or misplaced files

Labeling

Supports adding labels to certain items for its quick and easy identification

Search and Filter

Provides with advance and efficient search/ filter tools to get more refined findings or results

Contact Management

Organizing customer data in a centralized location and handling contact details, demographics, transactions, etc.

Collaboration

Helps you safely share data with only those who matter and enhances your teamwork

Pre-built Templates

Has inbuilt templates for landing pages so that designing from the scratch is not required

Offline Access

Allows users to access files and documents in offline mode

Transactional Email Features

Email Suppression

Stores the email addresses that are unsubscribed, bounced, blacklisted, etc

Custom Spam Filter

Allows you to block all inbound messages that have a spam score higher than the set threshold.

Email Tag

Allows the user to tag a specific set of emails for better reporting

Custom Reverse DNS

Allows you to Whitelabel the dedicated IP address to the ISP

Email History

Provides historical data about the email sent for a particular time period

Automated IP Warmup

Automatically warmups the dedicated IP addresses by limiting the number of emails sent

Custom Metadata

Assign customized identifiers to track and retrieve the instances for their entire lifecycle

Real-time Reporting

Allows users to check campaign real-time status as it happens

Email Personalization

Send emails with dynamic subject lines and personalized content to a different audience

Webhooks

Provides notifications about email delivery issues, deliveries, opens, clicks, unsubscribes etc

SMTP

Provides SMTP relay for faster delivery

Predesigned Email Templates

Provides a library of templates to build an email

Multi-factor Authentication (MFA)

Uses more than one method to verify a user's identity for a login

A/B Testing

Compares two versions of your website to see which one performs better

Template Management

Enables the user to create templates and modify and customise them later

Dashboard

A digital insight of reports and other workings on a single screen

Email Marketing Features

Delivery by Time Zone

Subscribers receive the email at the exact time they are in their timezone.

Send Time Optimization

Helps to find the best sending time to engage with your customer

Build sign up forms to allow website visitors to join your mailing list

RSS to Email

Helps users to receive any new updates or the latest news from the website

Predesigned Email Templates

Provides a library of templates to build an email

Email Scheduling

Scheduling an email on a specific time or auto-responding to an action

Real-time Email Editor

Helps to view the email while editing at the same time

A/B Testing

Compares two versions of your website to see which one performs better

Template Management

Enables the user to create templates and modify and customise them later

Spam Check

Verifies the content of emails so that it doesn't end up in the spam folder

Event Triggered Email

Sends emails to targeted customers based on their activities

Drip Campaigns

Ability to send emails with respect to time or user actions

Auto-Responders

Ability to send automated emails to the contacts subscribing to the list.

Contact Management

Organizing customer data in a centralized location and handling contact details, demographics, transactions, etc.

Instagram Ads

Has an inbuilt tool to set up an Instagram marketing campaign

Facebook Ads

Has an inbuilt tool to set up a Facebook marketing campaign

Google Remarketing Ads

Allows for retargeting your customers via Google Display Network to increase conversions

Abandoned Cart Email

Sends email to customers who have failed to check out their cart items

Mobile App

Helps your team to stay top on the business everywhere

Free Stock Photos

Provides a library of free stock photos for commercial use

Contact List Import

Ability to import contacts from TXT, EXCEL, CSV formats and also can enter manually

Click Map

Allows tracking user click activity and how they interact with email

Document Library

Central repository to manage your assets like Images, PDF files, etc.,

List Segmentation

Segregates the customers into smaller groups enabling the user to send targeted emails

Drag and Drop Editor

Lets you customize the elements with images, web forms, boxes, tables, etc. by simple drag and drop interface

Mailing List Management

Segregates the customers into smaller groups enabling the user to send targeted emails

Click-through Tracking

Keeps a track of links in the email opened by the customer

Multivariate Testing

Allows testing different variations of multiple webpage elements to find the best one among them

Sendmux Pricing

Pricing Insights for Email Software

Sendmux FAQs

Compare Sendmux Pricing Against Competitors

Free Software Alternatives to Sendmux

Sendmux Alternatives

Sendmux Features

Email Features

Transactional Email Features

Email Marketing Features

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