postmarkapp.com
postmarkapp.com
Who runs postmarkapp.com, what it tracks and what it costs, and the 20 closest transactional email service alternatives.
- Who’s behind it
- Not stated
- Online since
- Unknown
- Trackers
- Prices
- No pricing page
- Last price change
- –
- Closest alternative
- Mailgun
Measured from postmarkapp.com’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.
Visit postmarkapp.com01 · Who’s behind it
Who runs postmarkapp.com
postmarkapp.com
Send transactional and marketing emails and get them to the inbox on time, every time. Postmark is a fast and reliable email delivery service for developers.
- Company
- No imprint we could read
- Online since
- Not in the Internet Archive
- Audience
- In English
02 · Privacy
What postmarkapp.com tracks
What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.
tracker that follows visitors
4 of the 19 alternatives below have fewer, 5 have more.
Privacy-friendly alternatives →- Cookie banner
- None found
- US company
- 1 tool
Tag manager
Loads further tracking scripts, which we can’t always see.
03 · Alternatives
Alternatives to postmarkapp.com
Thumbs up if it’s a real alternative to postmarkapp.com, thumbs down if it isn’t.
11 of the 60 sites closest to postmarkapp.com match.
- 01
Email API for Developers | Sending, Campaigns & Mailboxes — Bird
Send transactional emails, run marketing campaigns, and handle replies in one place. Reach the inbox reliably and build with the Bird API, SDKs, or MCP.
Very close - 02
Buttondown — Newsletter software for people like you
Buttondown is the last email platform you'll migrate to. We're focused on your success, not on bleeding you dry.
Very close - 03
Email and calendar made better | Fastmail
Fast, private email hosting for you or your business. More productive, lightning fast, simple and built to save you time.
Close - 04
Brevo: Email & SMS Marketing, CRM & Automation Platform
Brevo is the most intuitive all-in-one customer engagement platform: email and SMS marketing, automation, CRM, live chat, and transactional email. Try it free.
Close - 05
oopspam: Automate your Spam and Fraud Detection
Prevent spam and fraud before they impact your business. High accuracy. Zero data compromise.
Close - 06
HYVOR® - Independent Software Foundry
Privacy-first website tools, crafted with care. Trusted by millions, from indie makers to enterprises.
Close - 07
Free File Transfer | Send Large Files Instantly | SendSpace
Send and share large files for free with SendSpace. Fast, secure uploads with no registration required — share download links by email or direct link.
Close - 08
Private, Secure and Encrypted Email You Can Trust | StartMail
Secure your emails with StartMail's encryption and customizable aliases, ensuring ultimate privacy and protection for your data.
Close - 09
Rspamd — Email Security System
Rspamd is an email-security engine that stops phishing, business email compromise, malware, and spam for enterprises, ESPs, and hosting providers. Open-source detection core with premium support and SLAs.
Close - 10
Substack
Substack is the app for independent voices: a free newsletter, video, and podcast hosting platform with paid subscriptions built in.
Close - 11
Pusher | Leader In Realtime Technologies
Simple, scalable and reliable. Hosted realtime APIs loved by developers and trusted by giants. Build live dashboards, notifications, geotracking, chat and more.
Close
Closest first, by how much each site’s offer resembles postmarkapp.com’s. Trackers are counted the same way as above. Highlighted technologies are ones postmarkapp.com uses too. Votes and comments come from visitors and don’t change the order.
04 · History
What changed
Price and policy history →No changes yet. Each new crawl is compared with the last one, and what postmarkapp.com adds, drops or rewrites shows up here.
05 · Details
How we measure
Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.
The full technology stack, the competitor map and search numbers · 7 technologies
- Neighbours
- k = 60
- Sites searched
- 9,216
- Vector
- 384-d
- Query
- 43 ms
Competitor map
Each alternative by how close its vector is to postmarkapp.com’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.
similarity × popularity
Built with
- Tag managers
- Google Tag Manager page source: googletagmanager.com/ns.html?id=GTM-
- Live chat & support
- Zendesk TXT v=spf1 a mx include:spf.mtasv.net include:_spf.google.com include:cma…
- CDN
- Cloudflare header cf-ray: a5779e175a875c2a-TXL
- Email hosting
- Google Workspace MX aspmx.l.google.com
- Email delivery
- Postmark TXT v=spf1 a mx include:spf.mtasv.net include:_spf.google.com include:cma…
- DNS hosting
- Amazon Route 53 NS ns-1657.awsdns-15.co.uk
- SaaS tools (verified in DNS)
- Google Search Console TXT google-site-verification=CFwYqNoJsUkztxVzMjK8u1m0_BaklRvOZb5aecNTk8o
What competitors use
Across the 20 closest sites.
- Google Search Console 16/20
- Cloudflare 9/20
- Google Tag Manager 8/20
- PHP · not on postmarkapp.com 8/20
- jQuery · not on postmarkapp.com 7/20
- Microsoft 365 · not on postmarkapp.com 6/20
- Google Analytics · not on postmarkapp.com 5/20
- Amazon Route 53 5/20
- WordPress · not on postmarkapp.com 5/20
- nginx · not on postmarkapp.com 5/20
- Cloudflare DNS · not on postmarkapp.com 5/20
- Google Fonts · not on postmarkapp.com 5/20
- Atlassian · not on postmarkapp.com 4/20
- OneTrust · not on postmarkapp.com 4/20
- WP Engine · not on postmarkapp.com 4/20
- Next.js · not on postmarkapp.com 4/20