- Products
- Network Security
Next Generation FirewallNext-generation firewall for SMB, Enterprise, and Government
Security ServicesComprehensive security for your network security solution
Network Security ManagerModern Security Management for today’s security landscape
- Advanced Threat Protection
Capture ATPMulti-engine advanced threat detection
Capture Security applianceAdvanced Threat Protection for modern threat landscape
- Access Security
Cloud Edge Secure AccessDeploy Zero-Trust Security in minutes
Secure Mobile AccessRemote, best-in-class, secure access
Wireless Access PointsEasy to manage, fast and secure Wi-FI
SwitchesHigh-speed network switching for business connectivity
- Email Security
Email SecurityProtect against today’s advanced email threats
- Cloud Security
Cloud App SecurityVisibility and security for Cloud Apps
Cloud Firewall (NSv)Next-generation firewall capabilities in the cloud
- Endpoint Security
Capture ClientStop advanced threats and rollback the damage caused by malware
Content Filtering ClientControl access to unwanted and unsecure web content
- Product Widgets
- Product Menu Right Image
- Network Security
- Solutions
- Solutions Widgets
- Solutions Image Widgets
- Solutions Widgets
- Partners
- Partner Widgets
- Partners Image Widgets
- Partner Widgets
- Support
- Support Widget
- Support Image Widgets
- Support Widget
- Products
- Network Security
- Next Generation FirewallNext-generation firewall for SMB, Enterprise, and Government
- Security ServicesComprehensive security for your network security solution
- Network Security ManagerModern Security Management for today’s security landscape
- Advanced Threat Protection
- Capture ATPMulti-engine advanced threat detection
- Capture Security applianceAdvanced Threat Protection for modern threat landscape
- Access Security
- Cloud Edge Secure AccessDeploy Zero-Trust Security in minutes
- Secure Mobile AccessRemote, best-in-class, secure access
- Wireless Access PointsEasy to manage, fast and secure Wi-FI
- SwitchesHigh-speed network switching for business connectivity
- Email Security
- Email SecurityProtect against today’s advanced email threats
- Cloud Security
- Cloud App SecurityVisibility and security for Cloud Apps
- Cloud Firewall (NSv)Next-generation firewall capabilities in the cloud
- Endpoint Security
- Capture ClientStop advanced threats and rollback the damage caused by malware
- Content Filtering ClientControl access to unwanted and unsecure web content
- Product Widgets
- Product Menu Right Image
- Network Security
- Solutions
- Solutions Widgets
- Solutions Image Widgets
- Solutions Widgets
- Partners
- Partner Widgets
- Partners Image Widgets
- Partner Widgets
- Support
- Support Widget
- Support Image Widgets
- Support Widget
How to resolve "530 5.7.1 client was not authenticated" error In Exchange 2007, 2010, and 2012
12/20/2019 
26 People found this article helpful
83,167 Views
Description
When sending an email from outside your network to your domain using ES, you may see the following error on the ES device either on auditing page or under MTA status page where the emails are stuck in the MTA and not getting delivered to your exchange server.
If you run a telnet test from the ES device using the CLI to your exchange you may see the following error:
- SNWLCLI:> Telnet 192.168.1.3 25.
- mail2.smtp25.org Microsoft ESMTP mail service.
- helo ( hit enter).
- 220 mail2.smtp25.org Microsoft ESMTP mAIL service.
- 250 mail2.smtp25.org Hello [10.10.10.10].
- mail from:Test123@Gmail.com ( Use yours) hit enter.
- 530 5.7.1 Client was not authenticated.
Resolution
This can be fixed by changing a setting on Exchange server.
- Login to Exchange server.
- Navigate to Exchange Organization|Server configuration.
- Click Hub transport and select the server default receive connector.
- Right click and select properties.
- Click on last tab permission Groups.
- Place check mark into Anonymous users.
- Click Apply and OK.
Related Articles
- Email Security Junk Box & Message Log Update Issues (Y2K22 Bug)
- SonicWall Hosted Email Security FAQ
- Email Security Junk Box & Message Log Update Issues - Y2K22 Bug
Categories
- Email Security > Email Security Appliance
- Email Security > Hosted Email Security > Host Configuration
YES
NO