1) /etc/postfix/main.cf:
mynetworks erweitert um das interne Netz (und evtl. Subnetze)
- per default war das nur 127.0.0.1
2) Die Default-Limits (20MB) sind für meine Begriffe zu niedrig, also stellen wir höhere Werte (40MB) ein.
hinzufügen zu /etc/postfix/main.cf:
message_size_limit = 41943040
mailbox_size_limit = 41943040
Postfix anschliessend neu
- Anker 575 USB-C Docking Station (13-in-1), 85W für Laptops
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- How to remove systemd services
- Laptop | Lenovo | Thinkpad E15 Gen3 AMD
- Laptop | Lenovo | LENOVO-IDEA IdeaPad 3 15IGL05 Notebook (15.6 ", 128 GB SSD, Business Black)
- D. Klimo | Kent monoblocks
- TTN Mapper
- LILYGO TTGO T-Beam V1.1 ESP32 LoRa 868Mhz GPS 18650 Board
- LILYGO® TTGO T-Beam 868MHz -> The Things Network (TTN/TTS) -> Karte | Infos und Video bei Alex (www.aeq-web.com)
- Kabelfarben 3.3V, 5V, 12V, 230V | Durchmesser
- 01 Digi-Bee Stand01 Wetter
- Solar Panel | 6V 3W Solar Panel JY D145x145
- TTGO LoRa32 V2.1_1.6 version 433/868/915Mhz ESP32 LoRa OLED 0.96 Inch SD Card Bluetooth WIFI wireless Module ESP-32 SMA
- -pve-04 | Disk SSD and HDD
- DISK SSD | 1 TB | Samsung SSD 870 EVO 1TB - 1TB
- NanoVNA V2
- CubeSat | antennas |
- KoZo_GS3_433MHz
- tinyGS - shortcut what it means
- TinyGS Telegram community | published Links
- Wolfgang W. Osterhage (Springer Verlag Sachbuch 2021): Die Geschichte der Raumfahrt | (gefundene Fehler)
- ucs Univention some commands
- SMA-Stecker / SMA-Buchse
RSS Feed
Warning: file_get_contents(https://www.bsi.bund.de/SiteGlobals/Functions/RSSFeed/RSSNewsfeed/RSSNewsfeed_WID.xml): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/clients/client2/web2/web/j/modules/mod_jw_srfr/helper.php on line 273
Warning: file_get_contents(https://www.bsi.bund.de/SiteGlobals/Functions/RSSFeed/RSSNewsfessBSIFB/RSSNewsfeed_BuergerCERT.xml): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/clients/client2/web2/web/j/modules/mod_jw_srfr/helper.php on line 273
Warning: file_get_contents(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/clients/client2/web2/web/j/modules/mod_jw_srfr/helper.php on line 273
Warning: file_get_contents(http://feeds.joomla.org/JoomlaAnnouncements): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/clients/client2/web2/web/j/modules/mod_jw_srfr/helper.php on line 273
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-
Kritische ERB-Schwachstelle in Ruby ermöglicht Remote-Code-Ausführung
Kritische ERB-Schwachstelle in Ruby ermöglicht Remote-Code-Ausführung
In der Template-Engine ERB von Ruby wurde eine Schwachstelle entdeckt, die einen zentralen Schutzmechanismus gegen unsichere Deserialisierung aushebelt.
Source: Linux-Magazin
Created on: 27.04.2026 | 09:47
Linux-Magazin | 27.04.2026 | 09:47 -
VMware Tanzu Spring Boot: Angreifer können auf Endpoints zugreifen
VMware Tanzu Spring Boot: Angreifer können auf Endpoints zugreifen
Wichtige Sicherheitsupdates schließen mehrere Schwachstellen in der VMware-Tanzu-Spring-Framework-Komponente Spring Boot.
Source: heise security Alerts
Created on: 27.04.2026 | 09:44
heise security Alerts | 27.04.2026 | 09:44 -
BSI definiert, wann eine Cloud wirklich souverän ist
BSI definiert, wann eine Cloud wirklich souverän ist
Das BSI hat Kriterien für Cloud-Autonomie veröffentlicht. Sie sollen helfen, die Souveränität von Cloud-Diensten zu bewerten.
Source: heise security News
Created on: 27.04.2026 | 09:18
heise security News | 27.04.2026 | 09:18 -
Angriffe auf SimpleHelp, Samsung MagicINFO und D-Link DIR-823X beobachtet
Angriffe auf SimpleHelp, Samsung MagicINFO und D-Link DIR-823X beobachtet
Die US-Behörde CISA warnt vor beobachteten Attacken auf Schwachstellen in SimpleHelp, Samsung MagicINFO und D-Link DIR-823X.
Source: heise security Alerts
Created on: 27.04.2026 | 09:08
heise security Alerts | 27.04.2026 | 09:08 -
Die Angst vor den Agenten
Die Angst vor den Agenten
Einer kürzlich durchgeführten Umfrage von Cisco zufolge laufen in 85 Prozent aller Betriebe Pilotprojekte mit KI-Agenten, aber nur 5 Prozent der Unternehmen setzen sie produktiv ein.
Source: Linux-Magazin
Created on: 25.04.2026 | 12:58
Linux-Magazin | 25.04.2026 | 12:58 -
Continued Evolution of Persistence Mechanism Against Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
Continued Evolution of Persistence Mechanism Against Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
On April 23, 2026, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued an update to V1: Emergency Directive (ED) 25-03: Identify and Mitigate Potential Compromise of Cisco Devices related to Cisco Secure Firewall Adaptive Security Appliance (ASA) and Cisco[…]
Source: Cisco Security Advisory
Created on: 24.04.2026 | 13:37
Cisco Security Advisory | 24.04.2026 | 13:37 -
Cisco ACI Multi-Site CloudSec Encryption Information Disclosure Vulnerability
Cisco ACI Multi-Site CloudSec Encryption Information Disclosure Vulnerability
A vulnerability in the Cisco ACI Multi-Site CloudSec encryption feature of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthenticated, remote attacker to read or modify intersite encrypted traffic. This vulnerability is due to an issue[…]
Source: Cisco Security Advisory
Created on: 24.04.2026 | 13:05
Cisco Security Advisory | 24.04.2026 | 13:05 -
New Archive CDN for End-of-Life (EOL) Releases
New Archive CDN for End-of-Life (EOL) Releases
Source: Announcements
Created on: 9.01.2026 | 18:43
Announcements | 9.01.2026 | 18:43 -
Proxmox Datacenter Manager 1.0 (stable)
Proxmox Datacenter Manager 1.0 (stable)
Source: Announcements
Created on: 4.12.2025 | 12:49
Announcements | 4.12.2025 | 12:49
neusten Links
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many More Links »
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