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Thoughts on technology, business, and the gap between them.

How to Remove Your IP from Earthlink’s Blacklist

Stuck on Earthlink's blacklist? Learn the step-by-step process to remove your IP, including cleaning up spam issues, contacting the postmaster, and properly formatting your unblock request to restore email delivery.

Host.conf Hardening Does Little for Server Security

Popular host.conf hardening tweaks offer minimal security benefits for typical servers. They don't prevent IP spoofing as claimed, and unnecessary modifications complicate long-term management. Stick with default settings unless you have specific requirements.

Forwarded Emails May Cause Backscatter Spam Complaints

Email forwards to invalid addresses can generate backscatter spam even when your server rejects mail to unknown users. The forwarding process bypasses recipient verification, allowing spam bounces that can get your IP blacklisted.

Zoho: The Future of SMB IT Services?

Zoho's affordable SaaS tools represent the future of small business IT—offering flexible building blocks for project management, collaboration, and more. At $100 yearly, it's transforming how solution providers deliver integrated, customized applications without technical complexity.

10 Immutable Laws of Security Administration Revisited

Microsoft's decade-old security laws remain surprisingly relevant today. Small businesses often ignore threats until compromised, while outdated software and weak passwords continue causing breaches. Simplicity and vigilance trump technology alone in protecting networks.

DSBL Defunct

The DSBL blacklist shut down nearly a year ago, but its nameservers just stopped responding. Remove list.dsbl.org from your RBL settings immediately to prevent mail delivery failures and timeout issues.

Why Not Customize Red Hat? Security and Stability

Red Hat's patch data reveals why stock packages beat customization. Mature RHEL releases need fewer updates over time, reducing security risks and service disruptions. Custom software eliminates these benefits and increases operational costs.

How to Securely Managed Files with Secure FTP SCP WinSCP

Stop broadcasting your login credentials in plain text. Learn why switching from FTP to Secure FTP or SCP protects your passwords through encryption and simplifies firewall access.

Charitable Donations Replace Holiday Cards

rackAID is replacing traditional holiday cards and gifts with charitable donations to local food banks and organizations like Feeding America. This marks the first step in establishing a formal corporate giving program launching in 2009.

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