Mailmark

No phone app

5.7No. 20 of 41
in Transactional Email Software

Recognised40% of the score20
Phone app26% of the score0
Documented20% of the score85
Free plan14% of the score30

Free plan: Trial only
Paid plans from: $10/mo
Runs on: api, self-hosted, Web

Summary

Mailmark is ranked #20 of 41 in transactional email software on Samsung Mobile US Press, made by Mailmark. It runs on API, Self-hosted, Web. A free trial is offered. Paid plans start at $10/mo.

Mailmark plans and pricing

All plans

Starter $10/mo $10/per month 1,000 emails / month · 500 contacts · 1 custom domain · 3 mailboxes · Full email UI · User campaigns · REST API & npm SDK · Basic support mailmark.dev · 4 Oct 2026

Pro $50/mo $50/per month 25,000 emails / month · 10,000 contacts · 5 custom domains · Unlimited mailboxes · Full email UI · User campaigns · REST API & npm SDK · Priority support mailmark.dev · 4 Oct 2026

Business $100/mo $100/per month 100,000 emails / month · 50,000 contacts · Unlimited domains · Unlimited mailboxes · Full email UI · User campaigns · REST API & npm SDK · Dedicated support mailmark.dev · 4 Oct 2026

Compared on transactional email software

Free plan: Yesmailmark.dev
Paid from: $10/momailmark.dev
Delivery methods: apimailmark.dev
Template options: codemailmark.dev
Monthly send limit: 1,000 emails/momailmark.dev

Facts

Product: Mailmark combines custom-domain email hosting, inbox management, campaigns, an API, and deliverability tools for developers managing multiple products.mailmark.dev · 4 Oct 2026
Domains: It offers guided DNS setup and auto-verification for MX, SPF, DKIM, and DMARC records.mailmark.dev · 4 Oct 2026
Inbox: The email interface includes Inbox, Sent, Outbox, Drafts, and Trash, with rich-text composition, attachments, and full-text search.mailmark.dev · 4 Oct 2026
Campaigns: Campaigns support mail merge, personalized fields, automated follow-ups, and tracking for opens, clicks, replies, and bounces.mailmark.dev · 4 Oct 2026
API and SDK: Mailmark provides a REST API and a typed JavaScript and TypeScript npm package for transactional and campaign email, scheduling, sequences, and delivery stats.mailmark.dev · 4 Oct 2026
Warm-up: Mailmark says it ramps up sending volume for each new product domain over 28 days.mailmark.dev · 4 Oct 2026
Deliverability: It monitors SPF, DKIM, DMARC, and blacklist status and offers inbox placement testing against Gmail, Outlook, and Yahoo seed inboxes.mailmark.dev · 4 Oct 2026
Unsubscribes: Mailmark supports one-click unsubscribe for Gmail and Yahoo and automatically skips opted-out users across products.mailmark.dev · 4 Oct 2026
Team features: Teams can invite collaborators, assign mailboxes by product, and manage permissions from one dashboard.mailmark.dev · 4 Oct 2026
Security: Mailmark says data is encrypted in transit with TLS 1.3 and at rest with AES-256, including email content, attachments, account data, and backups.mailmark.dev · 4 Oct 2026
Infrastructure: Mailmark says it runs on AWS across multiple availability zones and uses AWS SES for delivery and S3 for storage.mailmark.dev · 4 Oct 2026
Support: The documentation page says its support team typically responds within 2 hours on business days.mailmark.dev · 4 Oct 2026
Open source and self-hosting: Mailmark describes itself as an open-source project and says it is self-hostable; it began as a solo project in 2024.mailmark.dev · 4 Oct 2026