Evidence tier Source Confirmed · 9 captures on record
What the publisher says
As described on Microsoft Marketplace.
Postfix is a free and open-source mail transfer agent (MTA) designed for routing, delivering, and managing email communication on Linux and Unix-based systems. It provides a secure, reliable, and high-performance SMTP server solution for sending and receiving emails while simplifying mail server administration for system administrators and developers.
Key Features of Postfix:
Show the rest of the publisher’s description (16 more lines)
- Open-source and high-performance mail transfer agent.
- Provides secure and reliable SMTP email delivery.
- Easy-to-configure mail server management system.
- Supports spam filtering and mail security features.
- Compatible with virtual domains and mailbox management.
- Supports TLS encryption for secure email communication.
- Flexible integration with Dovecot, MySQL, and LDAP.
- Suitable for enterprise mail servers, hosting, and application email systems.
Postfix Installation Usage:
$ cd /opt
$ sudo systemctl restart postfix
$ sudo systemctl status postfix
To Check Installed Postfix Version:
$ postconf mail_version
Disclaimer:
Postfix is an open-source mail transfer agent developed and maintained by its respective contributors and community. This content is provided for informational purposes only. We are not affiliated with or endorsed by Postfix. All trademarks and product names belong to their respective owners.
Agent build and provenance
See the full provenance
The layer-by-layer build, the evidence behind each claim, the risk basis and the cross-marketplace links are open to any account. Some rows are disclosed, some the source leaves Unknown; a free account shows you which.
Compliance
- FedRAMPConfirmedNot listed90%, registry-checkedNo FedRAMP Marketplace entry matched this vendor's domain, checked 2026-08-27registry recordas observed 2026-08-27
Confirmed means matched to a public authoritative registry. Claimed means the vendor or its listing states it, not yet cross-checked. A framework not shown was not found in any source we hold, which is not evidence against it. Not listed means a scoped registry check found no match for this vendor's domain: a No is a scoped registry check, not a compliance judgment. Confidence bands: 95% domain-verified, 90% registry-checked, 80% self-attested, 70% weak signal. Self-attested items marked “vendor's site” are gathered from the vendor's own website and are not verified by us.
Vendor
External enrichment · as of 2026-08-29
Sources
Publisher resources
1 linkLinked repositories
Unknown means this listing does not publish a repository. It is not a statement that the code is closed, and a linked repository is not a claim that the publisher wrote it: the registry computes that relationship privately and does not publish it.
Evidence risk is the share of the build you cannot see before you deploy, not a security rating. Sign in to see the layer-by-layer basis for this band.