Postfix 3.2
Postfix 3.2
The Postfix 3.2 reached end of service life on Apr 29, 2021 — Postfix no longer ships security patches or fixes for it. Our third-party support keeps it safe to run: 24/7 engineers manage issues, remediate vulnerabilities, and help you maintain compliance.
24/7 engineers own your Postfix 3.2 incidents end to end.
Mitigation and patch-around guidance when the vendor no longer ships fixes.
Controls evidence and documentation that keep auditors satisfied.
Specifications
- product
- postfix
- release
- 3.2
- product Label
- Postfix
- release Label
- 3.2
- codename
- lts
- latest Version
- 3.2.22
- release Date
- 2017-02-28
- maintained
- source Url
- https://endoflife.date/postfix
Lifecycle Dates
- End of Service Life
- Apr 29, 2021
- Last OEM Support
- Apr 29, 2021
OEM vs. 3rd Party Support
See how third-party support compares to the vendor contract for Postfix 3.2 — monitoring, break/fix, vulnerability work, operations and compliance, before and after EOSL.
| Feature | OEM Support | 3rd Party Support |
|---|---|---|
| Post-EOSL Support | ||
| Break/Fix Support | Until EOSL | |
| 24/7 Monitoring | ||
| Vulnerability Scanning & Remediation | ||
| Managed Operations | ||
| Procedure & Configuration Review | ||
| Compliance & Audit Documentation | Limited | |
| Discounted Migration to Other Platforms |
Why Choose 3rd Party Support for Postfix 3.2?
Vulnerability Remediation
Scanning, mitigation and patch-around guidance for Postfix 3.2 when the vendor no longer ships fixes.
Compliance Maintenance
Procedure review, controls evidence and the documentation auditors ask for — maintained continuously, not scrambled at audit time.
24/7 Expert Support
Engineers who know this release monitor, manage and fix issues around the clock — break/fix to managed operations.
Postfix 3.2 Support: Frequently Asked Questions
Is the Postfix 3.2 still supported?
Postfix ended support for the Postfix 3.2 on Apr 29, 2021 — no more patches or fixes from the vendor. Third-party support keeps it covered: our engineers manage issues, remediate vulnerabilities, and help you maintain compliance for as long as you run it.
When is the Postfix 3.2 end of service life (EOSL) date?
Postfix lists the end of service life for the Postfix 3.2 as Apr 29, 2021.
Can I keep using the Postfix 3.2 after its EOSL date?
Yes. EOSL means Postfix stops issuing patches and support — the software itself keeps running. Third-party support covers it from there: issue management, security vulnerability remediation, and the compliance documentation auditors ask for, for as long as you choose to run it.
How much does third-party support for the Postfix 3.2 cost?
Typically 40-70% below the OEM maintenance renewal price. Exact pricing depends on quantity, service level and location — request a quote and we respond within 24 hours.
Known Vulnerabilities Affecting Postfix 3.2
3 published CVEs affect the Postfix 3.2, including 1 rated critical or high severity. Postfix no longer ships security patches for this release — our engineers provide mitigation guidance, workarounds and hardening support.
| CVE | Severity | CVSS | Published | Summary |
|---|---|---|---|---|
| CVE-2017-10140 | HIGH | 7.8 | Apr 16, 2018 | Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 might allow local users to gain privileges by leveraging undocumented functionality in Berkeley DB 2.x and later, related to reading settings from DB_CONFIG in the current directory. |
| CVE-2023-51764 | MEDIUM | 5.3 | Dec 24, 2023 | Postfix through 3.8.5 allows SMTP smuggling unless configured with smtpd_data_restrictions=reject_unauth_pipelining and smtpd_discard_ehlo_keywords=chunking (or certain other options that exist in recent versions). Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Postfix supports <LF>.<CR><LF> but some other popular e-mail servers do not. To prevent attack va |
| CVE-2026-43964 | LOW | 3.7 | May 4, 2026 | Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number. |