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I received a bounced message for an email that I did not send, or I received a complaint from someone saying I sent a virus, but I didn’t send the email



Email messages can be forged. An email sender can simply change the “From:” field in their email program, or in more advanced cases, forge addresses through the SMTP protocol, inserting any email address in the “MAIL FROM:” section of the message. Spammers often harvest email addresses by spidering web sites or forums, or through viruses […]

How To Preview/Test Website Before DNS Updates



To test your website with your own domain name before DNS propagation has completed, you can use your local computer’s ‘hosts’ file. Your computer will use the entries in your ‘hosts’ file before it looks up the DNS information for your domain. This article contains instructions for editing the ‘hosts’ file on Windows /XP/Vista/7, and […]

PCI-DSS Compliant Hosting Requirements



The PCI Data Security Standard represents a common set of industry tools and measurements to help ensure the safe handling of sensitive information. Initially created by aligning Visa’s Account Information Security (AIS)/Cardholder Information Security (CISP) programs with MasterCard’s Site Data Protection (SDP) program, the standard provides an actionable framework for developing a robust account data […]

WinMerge File Differencing and Merging Tool



WinMerge is an Open Source visual text file differencing and merging tool for Win32 platforms. It is highly useful for determining what has changed between project versions, and then merging changes between versions.

Features

WinMerge is highly useful for determining what has changed between project versions, and then merging changes between versions. WinMerge can be used as an external differencing/merging tool or as a standalone application.