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Bounce back messages to non existent email addresses at my domain
Was my account hacked? In all likelihood, no. If you are receiving emails to your domain (even...
Views: 352

Contact Forms / Email Injection
Contact forms are often abused by spammers. Since most webmasters carefully hardcode the...
Views: 321

Guide to .htaccess
There is a lot of confusion when it comes to .htaccess. This section is meant to resolve those...
Views: 333

How can I prevent my site from being hacked?
Typically, most sites are hacked because of older and exploitable software, or world-writeable...
Views: 337

How can I use mod_security rules to protect my site?
As a company, we utilize mod_security rules which are global to all sites. We do this to help...
Views: 280

How to test SMTP AUTH using Telnet
Below are instructions on how to test SMTP AUTH against a mail server using Telnet and entering...
Views: 393

I think I have been hacked
The first step you should follow is save the raw logs for your site to your home computer. You...
Views: 256

Problems Sending Mail
Are you receiving bounceback messages when you try to send mail? This may be due to the server...
Views: 325

SPF Records
What does SPF stand for? Sender Policy Framework What is SPF used for? Primarily it is used to...
Views: 294

What is CPU/Memory/MySQL abuse?
First, it must be made clear that CPU/Memory usage is different than bandwidth usage. Users...
Views: 279

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