FAQ & Troubleshooting
FAQs, troubleshooting and answers to the most common questions.
- Messages bounced with “552 5.2.0 Invalid 7-bit DATA” error
- Migrate ATP configuration to Esg 5.6
- Notes on sizing and monitoring the performance of Libraesva ESG
- Office 365 Rate Limiting
- Passwordless token is already used
- Quarantine Disk extension
- Quarantine Reports are not sent after a migration from ESG 4.9
- Recipients receive a winmail.dat attachment
- Scan results explained
- Security advisory: command injection vulnerability (CVE-2025-59689)
- Spam Checks Plugins
- SPF Permerror
- Supported TLS Ciphers
- The quarantine disk is filling-up, what should I do?
- THREAT MANAGEMENT AND RISK MITIGATION – Operative instructions
- Timeout during vSphere import
- Troubleshooting Outlook Add-in Authentication with Microsoft 365
- User types and Permissions
- Web Portal Authentication Methods
- What happens when click on “Mark As” or “Report As”?