Building this domain's report…
Global rank
AI visibility
SEO health
Visits
per month, estimated
Keywords
ranking in Google
Organic share
of all search traffic
LLMS.txt
lines AI engines can read
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Featured
Keywords & Content
Site & Competitors
Building this domain's report…
Global rank
AI visibility
SEO health
Visits
per month, estimated
Keywords
ranking in Google
Organic share
of all search traffic
LLMS.txt
lines AI engines can read
Global rank: Worldwide · 2026-08
#241,355
AI visibility: Grade A
82
SEO health: Latest audit
86
Visits
2.9K
per month, estimated
Keywords
24
ranking in Google
Organic share
100%
2.9K organic visits
LLMS.txt
Published
132 lines AI engines can read
You're seeing the free preview of courier-mta.org
A snapshot of how courier-mta.org performs in search and in AI answers — every number below is one we hold, not a guess.
What this company does
Courier Mail Server has been a reliable open source mail transfer agent for more than twenty years. Organizations around the world use it to manage email delivery without paying for commercial licenses. The project focuses on a standards-compliant SMTP and IMAP server that runs on Linux and other Unix-like systems. Administrators like the modular design that lets them install only the components they need. Some teams…
Our read on the site
The overall SEO health of courier-mta.org is strong, with a perfect performance score of 100/100. However, there are significant opportunities for improvement in accessibility and best practices, particularly in meta description and viewport implementation.
Month by month, how much search traffic this domain earns — how much of it is free, and whether it is winning or losing ground.
Monthly visits
2.9K
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
2.9K
100% of all traffic
Paid visits
Whether AI engines can read this brand, understand it, and cite it when someone asks about its category.
Grade A
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
The file AI engines read to understand a business. This is what it currently tells them about this one.
Status
Published
AI engines can read it
Lines
132
In the file
Size
7.1K
Characters
Sections
12
The searches this domain already ranks for, and how much traffic they bring it.
Ranking keywords
24
Found in Google for this domain
Visits they bring
2.9K
Estimated organic visits a month
No ranked-keyword data cached for this domain yet.
Ranked Keywords pulls the full list on its first run.
How the site itself performs — speed, accessibility and the technical basics both search crawlers and AI crawlers depend on.
Overall
SEO
Excellent
The websites this domain competes with for the same searches and the same AI answers.
The business behind the domain — what it does, where it is, and who runs it.
Courier Mail Server has been a reliable open source mail transfer agent for more than twenty years. Organizations around the world use it to manage email delivery without paying for commercial licenses. The project focuses on a standards-compliant SMTP and IMAP server that runs on Linux and other Unix-like systems. Administrators like the modular design that lets them install only the components they need. Some teams…
Which markets this brand actually serves, and where the web links to it from.
We only measure visitor geography for domains whose analytics are connected to us. For everyone else this is read live from the web and shown as an estimate — never mixed in with the measured numbers.
No market breakdown available for this brand.
Measured. The country each linking site is hosted in — a real signal of which regions know this brand.
No backlink sample for this domain yet.
Backlink Analytics collects one on its first run.
Who vouches for this domain. Strong, varied links are still the clearest signal of authority — to search engines and to AI engines that cite sources.
We haven't run a backlink crawl for courier-mta.org yet, so there are no link counts to show. Backlink Analytics builds the profile on its first run and it appears here after that.
—
links on file
Neighbours of #241,355 in our worldwide ranking — each with its own report.
You are looking at one domain. courier-mta.org competes in a market, and the same numbers exist for everyone in it — including the sites AI engines recommend instead of yours. Amrut.ai reads all of them, so you can see who is winning, why, and what to change first.
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0
No paid search detected
100%
0%
We don't hold a month-by-month history for this domain yet.
The traffic dashboard builds one from the first scan onwards.
Present
6/8 core fields
91/100
robots ✓ · sitemap ✗
Not detected
Fix these first
Updated Sep 2, 2026
# Courier Mail Server ## About Courier Mail Server has been a reliable open source mail transfer agent for more than twenty years. Organizations around the world use it to manage email delivery without paying for commercial licenses. The project focuses on a standards-compliant SMTP and IMAP server that runs on Linux and other Unix-like systems. Administrators like the modular design that lets them install only the components they need. Some teams run just the MTA for outbound mail while others set up the full stack including POP3 and webmail. Configuration stays simple but still includes production-grade security features such as TLS encryption and hooks for SpamAssassin. Small and mid-sized businesses often choose Courier when they want full ownership of their email systems. Educational institutions and research labs also pick it because they can keep everything inside their own networks. The software integrates with LDAP and SQL databases for authentication. Its lightweight footprint works well in container deployments and on older hardware alike. A conservative release schedule keeps the emphasis on stability instead of constant new features. Clear configuration files and detailed man pages help administrators avoid surprises. The community regularly contributes patches and documentation updates. Companies can audit the code themselves or bring in consultants for complianc
Sections in the file
Areas of work
Keywords it claims
Technologies
Performance
Excellent
Accessibility
8 more recommendations, with the exact changes and the pages they apply to, are in the full report.
Products it tells AI about
Company type
Private