Recent content by AlexandervH

Ok temporarily disabling Dmarc helped. But how do I fix my DNS settings for this? And why is only one specific sender affected?

Since a couple of Days I have an issue in one of our Plesk installations: " OS Debian 9.13 Product Plesk Obsidian Version 18.0.42 Update #1, last updated on Mar 16, 2022 06:25 AM " Mails from a specific Sender "GMX.de" (german E-Mail Service) land in the Mailqueue and are stuck there. Sometimes...