How To Set Up a Postfix Email Server with Dovecot: Dynamic Maildirs and LMTP
In this article, we will divorce mailboxes from system accounts using dovecot’s LMTP server as delivery mechanism, as well as use postgresql to keep user records.
In this article, we will divorce mailboxes from system accounts using dovecot’s LMTP server as delivery mechanism, as well as use postgresql to keep user records.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read • Source: OpenBSD 7.5 errata 007_expat Errata topic: Security: expat (All architectures) Issued: September 17, 2024 Related CVEs: CVE-2024-45490 CVE-2024-45491 CVE-2024-45492 Upstream summary: In libexpat add integer range checks. CVE-2024-45490 CVE-2024-45491 CVE-2024-45492 Table of contents Symptom […]
🟢 Low ⏱ 5–15 min Last verified: 15 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: wget — multiple vulnerabilities Related CVEs: CVE-2004-1487 CVE-2004-1488 Upstream summary: Jan Minar reports that there exists multiple vulnerabilities in wget: Wget erroneously thinks that the current directory is a fair […]
MongoDB ist eine kostenlose und Open-Source-NoSQL-Dokumentendatenbank, die häufig in modernen Webanwendungen verwendet wird. Wenn Sie diesem Tutorial folgen, installieren Sie MongoDB auf einem Ubuntu 20.04-Server unter Verwendung der Standard-APT-Repositorys. Außerdem erfahren Sie, wie Sie den Dienst verwalten und optional den Fernzugriff aktivieren.
🟠 High ⏱ 15–60 min Last verified: 15 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4465-1 Related CVEs: CVE-2020-12655 CVE-2020-12771 CVE-2020-15393 CVE-2020-24394 CVE-2019-16089 CVE-2019-19462 CVE-2019-20810 CVE-2019-20908 +12 more Upstream summary: It was discovered that the XFS file system implementation in the Linux kernel did not […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2020:4689 Related CVEs: CVE-2019-3833 Upstream summary: Openwsman is a project intended to provide an open source implementation of the Web Services Management specification (WS-Management) and to expose system management information on the […]
Introduction How to Install Nomad on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]
When creating APIs, we often need to work with database results to filter, interpret or format values that will be returned in the API response. API resource classes allow you to convert your models and model collections into JSON, working as a data transformation layer between the database and the controllers.
🟡 Medium ⏱ 10–30 min Last verified: 15 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4800-1 Related CVEs: CVE-2016-9179 CVE-2017-1000211 CVE-2021-38165 Upstream summary: It was discovered that Lynx incorrectly handled certain URLs. A remote attacker could possibly use this issue to obtain sensitive information or […]
As a developer, chances are you spend most of your time in your terminal, typing in commands to help you get around some tasks. Some of these commands come built into your Operating System, while some of them you install through some third party helper such as npm, or brew, or even downloading…