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Author: Cary Sun

Cary Sun has a wealth of knowledge and expertise in data center and deployment solutions. As a Principal Consultant, he likely works closely with clients to help them design, implement, and manage their data center infrastructure and deployment strategies. With his background in data center solutions, Cary Sun may have experience in server and storage virtualization, network design and optimization, backup and disaster recovery planning, and security and compliance management. He holds CISCO CERTIFIED INTERNETWORK EXPERT (CCIE No.4531) from 1999. Cary is also a Microsoft Most Valuable Professional (MVP), Microsoft Azure MVP, Veeam Vanguard and Cisco Champion. He is a published author with several titles, including blogs on Checkyourlogs.net, and the author of many books. Cary is a very active blogger at checkyourlogs.net and is permanently available online for questions from the community. His passion for technology is contagious, improving everyone around him at what they do. Blog site: https://www.checkyourlogs.net Web site: https://carysun.com Blog site: https://gooddealmart.com Twitter: @SifuSun in: https://www.linkedin.com/in/sifusun/ Amazon Author: https://Amazon.com/author/carysun

Total Posts: 358

Microsoft Defender for Office 365 – Configure DKIM email authentication for Microsoft 365 Custom domains

DomainKeys Identified Mail (DKIM) allows email senders to sign their outgoing emails digitally using cryptographic signatures. These signatures are stored as DKIM records in the domain’s DNS settings. Recipients’ mail servers can then use these signatures to verify that the email content has not been tampered with and originated from an authorized sender.

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Microsoft Defender for Office 365-Configure SPF email authentication for Microsoft 365 domains

Microsoft Defender for Office 365 is a cloud-based email filtering service that helps protect businesses against advanced threats such as phishing and malware in emails, links, and collaboration tools like Microsoft Teams, SharePoint, and OneDrive. Formerly known as Office 365 Advanced Threat Protection (ATP), Microsoft Defender for Office 365 provides several features to enhance the security posture of an organization’s email and collaboration environment.

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Fix VBR 12.1.1 Backup Configuration Warning Failed to connect to Red Hat Virtualization plug-in…

This is a very interesting warning. I migrated many VBR servers, and it’s the first time I’ve encountered this warning.
The detailed warning message is below:
Warning Failed to connect to Red Hat Virtualization plug-in: Failed to login to platform service: The remote certificate is invalid according to the validation procedure.

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