anti-spam 

Author: Websense, Inc. Defensio is an advanced spam filtering web service that learns and adapts to your behaviors and those of your readers
Installation:
IMPORTANT: Deactivate Akismet and/or any other anti-spam plugins by going to your Plugins tab in the WordPress control panel. Simply click "deactivate" to deactivate the desired plugins. Using multiple spam-filtering solutions will negatively impact Defensios performance. Note: If are upgrading from an older version of Defensio, please deactivate the old plugin before proceeding with the upgrade. Moreover, please delete the old Defensio plugin directory from your server. Not doing so could lead to version conflicts. Copy the defensio-anti-spam folder (unzipped from the file you downloaded) into wp-content/plugins/. You should now have a file called defensio.php in wp-content/plugins/defensio-anti-spam/. Return to the Plugins tab in your control panel and activate Defensio. Under the Plugins tab, you will find a new tab called Defensio Configuration. Go there and enter your API key. If the key turns green, this means it has been successfully validated. If you dont have an API key, you can obtain one for free at http://defensio.com/signup. Under Defensio Configuration, you may also set the threshold level for "obvious spam" (this can be hidden from your spambox, at your option). We recommend you leave this "obvious spam" level at its default value (80%) until you get a feel for what a better value might be for your own purposes. You may also choose to enable automatic deletion of spam on old articles, though we do do not recommend this by default. Note: If youre upgrading from an older version of Defensio, the API key should be pre-populated for you. Your blog is now protected by Defensios enhanced spam filtering web service. From now on, all comments posted to your blog will be analyzed by Defensio and attributed a "spaminess" value that will help you sort and manage your Quarantine. Under your blogs Comments tab, notice that the quarantine has been re-labelled "Defensio Spam". Go there experience the Defensio goodness first-hand.
faq:
Visit our FAQ at http://defensio.com/faq

Author: Mike Challis Adds CAPTCHA anti-spam methods to WordPress on the comment form, registration form, login, or all. In order to post comments or regiser, users will have to type in the phrase shown on the image. This prevents spam from automated bots. Adds security. Works great with Akismet. Also is fully WPMU and BuddyPress compatible
Installation:
Upload the si-captcha-for-wordpress folder to the /wp-content/plugins/ directory, or download through the Plugins menu in WordPress Activate the plugin through the Plugins menu in WordPress Updates are automatic. Click on "Upgrade Automatically" if prompted from the admin menu. If you ever have to manually upgrade, simply deactivate, uninstall, and repeat the installation steps with the new version. This is how to install SI Captcha globally on WPMU or BuddyPress: Step 1: upload the /si-captcha-for-wordpress/ folder and all its contents to /mu-plugins/ Step 2: MOVE the si-captcha.php from the /si-captcha-for-wordpress/ folder to the /mu-plugins/ folder. Site wide Settings are located in "Site Admin", "SI CAPTCHA Optioins"
faq:
Sometimes the captcha image and captcha input field are displayed AFTER the submit button on the comment form. Your theme must have a <?php do_action(comment_form, $post->ID); ?> tag inside your comments.php form. Most themes do. The best place to locate the tag is before the comment textarea, you may want to move it if it is below the comment textarea. This tag is exactly where the captcha image and captcha code entry will display on the form, so move the line to before the comment textarea, uncheck the Comment Form Rearrange box on the Captcha options page, and the problem should be fixed. Alternate Fix for the captcha image display order You can just check the Comment Form Rearrange box on the admin plugins Captcha options page and javascript will attempt to rearrange it for you. Editing the comments.php, moving the tag, and uncheck the Comment Form Rearrange box on the Captcha options page is the best solution. Why is it better to uncheck the Comment Form Rearrange box and move the tag? Because the XHTML will no longer validate if it is checked. Why do I get "ERROR: Could not read CAPTCHA cookie. Make sure you have cookies enabled and not blocking in your web browser settings. Or another plugin is conflicting."? Check your web browser settings and make sure you are not blocking cookies for your blog domain. Cookies have to be enabled in your web browser and not blocked for the blog web domain. If you get this error, your browser is blocking cookies or you have another plugin that is conflicting (in that case I would like to help you further to determine which one). I can tell you that the plugin called "Shopp" is not compatible because it handles sessions differently causing the "ERROR: Could not read CAPTCHA cookie. Make sure you have cookies enabled". The Cookie Test can be used to test if your browser is accepting cookies from your site: Click on the "Test if your PHP installation will support the CAPTCHA" link on the Options page. or open this URL in your web browser to run the test: /wp-content/plugins/si-captcha-for-wordpress/captcha-secureimage/test/index.php Troubleshooting if the CAPTCHA form fields and image is not being shown: Do this as a test: Activate the SI CAPTCHA plugin and temporarily change your theme to the "Wordpress Default" theme. Does the captcha image show now? If it does then the theme you are using is the cause. Your theme must have a <?php do_action(comment_form, $post->ID); ?> tag inside your comments.php form. Most themes do. The best place to locate the tag is before the comment textarea, you may want to move it if it is below the comment textarea. This tag is exactly where the captcha image and captcha code entry will display on the form, so move the line to before the comment textarea, uncheck the Comment Form Rearrange box on the Captcha options page, and the problem should be fixed. Troubleshooting if the CAPTCHA image itself is not being shown: By default, the admin will not see the CAPTCHA. If you click "log out", go look and it will be there. If the image is broken and you have the CAPTCHA entry box: This can happen if a server has too low a default permission level on new folders. Check and make sure the permission on all the captcha-secureimage folders are set to permission: 755 all these folders need to be 755: - si-captcha-for-wordpress - captcha-secureimage - audio - gdfonts - images - test Here is a tutorial about file permissions This script can be used to test if your PHP installation will support the CAPTCHA: Click on the "Test if your PHP installation will support the CAPTCHA" link on the Options page. or open this URL in your web browser to run the test: /wp-content/plugins/si-captcha-for-wordpress/captcha-secureimage/test/index.php Is this plugin available in other languages? Yes. To use a translated version, you need to obtain or make the language file for it. At this point it would be useful to read Installing WordPress in Your Language from the Codex. You will need an .mo file for this plugin that corresponds with the "WPLANG" setting in your wp-config.php file. Translations are listed below -- if a translation for your language is available, all you need to do is place it in the /wp-content/plugins/si-captcha-for-wordpress/languages directory of your WordPress installation. If one is not available, and you also speak good English, please consider doing a translation yourself (see the next question). The following translations are included in the download zip file: Albanian (sq_AL) - Translated by Romeo Shuka Arabic (ar) - Translated by Amine Roukh Belorussian (by_BY) - Translated by Marcis Gasuns Chinese (zh_CN) - Translated by Awu Czech (cs_CZ) - Translated by Radovan Danish (da_DK) - Translated by Parry French (fr_FR) - Translated by Pierre Sudarovich German (de_DE) - Translated by Sebastian Kreideweiss Greek (el) - Translated by Ioannis Italian (it_IT) - Translated by Gianni Diurno Norwegian (nb_NO) - Translated by Roger Sylte Polish (pl_PL) - Translated by Tomasz Portuguese Brazil (pt_BR) - Translated by [Newton Dan Faoro] Russian (ru_RU) - Translated by Neponyatka Spanish (en_ES) - Translated by LoPsT Swedish (sv_SE) - Translated by [Benct] Traditional Chinese, Taiwan Language (zh_TW) - Translated by [Cjh] Turkish (tr_TR) - Translated by Volkan More are needed... Please help translate. Are the CAPTCHA audio files available in other languages? Portuguese brazil (pt_BR) audio files are available. Wait until after you install the plugin. Download the audio files: Portuguese brazil (pt_BR) audio files download and follow instructions in the Readme.txt inside the zip file. Can I provide a translation? Of course! It will be very gratefully received. Use PoEdit, it makes translation easy. Please read Translating WordPress first for background information on translating. Then obtain the latest .pot file and translate it. * There are some strings with a space in front or end -- please make sure you remember the space! * When you have a translation ready, please send the .po and .mo files to wp-translation at 642weather dot com. * If you have any questions, feel free to email me also. Thanks! Is it possible to merge the translation files I sent to you with the ones of the newest version? If you use PoEdit to translate, it is easy to translate for a new version. You can open your current .po file, then select from the PoEdit menu: "Catalog" > "Update from POT file". Now all you have to change are the new language strings.

Author: Mike Challis Adds CAPTCHA anti-spam methods to WordPress on the comment form, registration form, login, or all. In order to post comments or regiser, users will have to type in the phrase shown on the image. This prevents spam from automated bots. Adds security. Works great with Akismet. Also is fully WPMU and BuddyPress compatible
Installation:
Upload the si-captcha-for-wordpress folder to the /wp-content/plugins/ directory, or download through the Plugins menu in WordPress Activate the plugin through the Plugins menu in WordPress Updates are automatic. Click on "Upgrade Automatically" if prompted from the admin menu. If you ever have to manually upgrade, simply deactivate, uninstall, and repeat the installation steps with the new version. This is how to install SI Captcha globally on WPMU or BuddyPress: Step 1: upload the /si-captcha-for-wordpress/ folder and all its contents to /mu-plugins/ Step 2: MOVE the si-captcha.php from the /si-captcha-for-wordpress/ folder to the /mu-plugins/ folder. Site wide Settings are located in "Site Admin", "SI CAPTCHA Optioins"
faq:
Sometimes the captcha image and captcha input field are displayed AFTER the submit button on the comment form. Your theme must have a <?php do_action(comment_form, $post->ID); ?> tag inside your comments.php form. Most themes do. The best place to locate the tag is before the comment textarea, you may want to move it if it is below the comment textarea. This tag is exactly where the captcha image and captcha code entry will display on the form, so move the line to before the comment textarea, uncheck the Comment Form Rearrange box on the Captcha options page, and the problem should be fixed. Alternate Fix for the captcha image display order You can just check the Comment Form Rearrange box on the admin plugins Captcha options page and javascript will attempt to rearrange it for you. Editing the comments.php, moving the tag, and uncheck the Comment Form Rearrange box on the Captcha options page is the best solution. Why is it better to uncheck the Comment Form Rearrange box and move the tag? Because the XHTML will no longer validate if it is checked. Why do I get "ERROR: Could not read CAPTCHA cookie. Make sure you have cookies enabled and not blocking in your web browser settings. Or another plugin is conflicting."? Check your web browser settings and make sure you are not blocking cookies for your blog domain. Cookies have to be enabled in your web browser and not blocked for the blog web domain. If you get this error, your browser is blocking cookies or you have another plugin that is conflicting (in that case I would like to help you further to determine which one). I can tell you that the plugin called "Shopp" is not compatible because it handles sessions differently causing the "ERROR: Could not read CAPTCHA cookie. Make sure you have cookies enabled". The Cookie Test can be used to test if your browser is accepting cookies from your site: Click on the "Test if your PHP installation will support the CAPTCHA" link on the Options page. or open this URL in your web browser to run the test: /wp-content/plugins/si-captcha-for-wordpress/captcha-secureimage/test/index.php Troubleshooting if the CAPTCHA form fields and image is not being shown: Do this as a test: Activate the SI CAPTCHA plugin and temporarily change your theme to the "Wordpress Default" theme. Does the captcha image show now? If it does then the theme you are using is the cause. Your theme must have a <?php do_action(comment_form, $post->ID); ?> tag inside your comments.php form. Most themes do. The best place to locate the tag is before the comment textarea, you may want to move it if it is below the comment textarea. This tag is exactly where the captcha image and captcha code entry will display on the form, so move the line to before the comment textarea, uncheck the Comment Form Rearrange box on the Captcha options page, and the problem should be fixed. Troubleshooting if the CAPTCHA image itself is not being shown: By default, the admin will not see the CAPTCHA. If you click "log out", go look and it will be there. If the image is broken and you have the CAPTCHA entry box: This can happen if a server has too low a default permission level on new folders. Check and make sure the permission on all the captcha-secureimage folders are set to permission: 755 all these folders need to be 755: - si-captcha-for-wordpress - captcha-secureimage - audio - gdfonts - images - test Here is a tutorial about file permissions This script can be used to test if your PHP installation will support the CAPTCHA: Click on the "Test if your PHP installation will support the CAPTCHA" link on the Options page. or open this URL in your web browser to run the test: /wp-content/plugins/si-captcha-for-wordpress/captcha-secureimage/test/index.php Is this plugin available in other languages? Yes. To use a translated version, you need to obtain or make the language file for it. At this point it would be useful to read Installing WordPress in Your Language from the Codex. You will need an .mo file for this plugin that corresponds with the "WPLANG" setting in your wp-config.php file. Translations are listed below -- if a translation for your language is available, all you need to do is place it in the /wp-content/plugins/si-captcha-for-wordpress/languages directory of your WordPress installation. If one is not available, and you also speak good English, please consider doing a translation yourself (see the next question). The following translations are included in the download zip file: Albanian (sq_AL) - Translated by Romeo Shuka Arabic (ar) - Translated by Amine Roukh Belorussian (by_BY) - Translated by Marcis Gasuns Chinese (zh_CN) - Translated by Awu Czech (cs_CZ) - Translated by Radovan Danish (da_DK) - Translated by Parry French (fr_FR) - Translated by Pierre Sudarovich German (de_DE) - Translated by Sebastian Kreideweiss Greek (el) - Translated by Ioannis Italian (it_IT) - Translated by Gianni Diurno Norwegian (nb_NO) - Translated by Roger Sylte Polish (pl_PL) - Translated by Tomasz Portuguese Brazil (pt_BR) - Translated by [Newton Dan Faoro] Russian (ru_RU) - Translated by Neponyatka Spanish (en_ES) - Translated by LoPsT Swedish (sv_SE) - Translated by [Benct] Traditional Chinese, Taiwan Language (zh_TW) - Translated by [Cjh] Turkish (tr_TR) - Translated by Volkan More are needed... Please help translate. Are the CAPTCHA audio files available in other languages? Portuguese brazil (pt_BR) audio files are available. Wait until after you install the plugin. Download the audio files: Portuguese brazil (pt_BR) audio files download and follow instructions in the Readme.txt inside the zip file. Can I provide a translation? Of course! It will be very gratefully received. Use PoEdit, it makes translation easy. Please read Translating WordPress first for background information on translating. Then obtain the latest .pot file and translate it. * There are some strings with a space in front or end -- please make sure you remember the space! * When you have a translation ready, please send the .po and .mo files to wp-translation at 642weather dot com. * If you have any questions, feel free to email me also. Thanks! Is it possible to merge the translation files I sent to you with the ones of the newest version? If you use PoEdit to translate, it is easy to translate for a new version. You can open your current .po file, then select from the PoEdit menu: "Catalog" > "Update from POT file". Now all you have to change are the new language strings.

Author: Scott Allen An extremely powerful WordPress anti-spam plugin that eliminates blog comment spam, including trackback and pingback spam. Finally, you can enjoy a spam-free WordPress blog! Includes spam-free contact form feature as well
Installation:
Installation Instructions After downloading, unzip file and upload the enclosed wp-spamfree directory to your WordPress plugins directory: /wp-content/plugins/. As always, activate the plugin on your WordPress plugins page. Check to make sure the plugin is installed properly. Many support requests for this plugin originate from improper installation and can be easily prevented. To check proper installation status, go to the WP-SpamFree page in your Admin. Its a submenu link on the Plugins page. Go the the Installation Status area near the top and it will tell you if the plugin is installed correctly. If it tells you that the plugin is not installed correctly, please double-check what directory you have installed WP-SpamFree in, delete any WP-SpamFree files you have uploaded to your server, re-read the Installation Instructions, and start the Installation process over from step 1. If it is installed correctly, then move on to the next step. Select desired configuration options. Due to popular request, Ive added the option to block trackbacks and pingbacks if the user feels they are excessive. Id recommend not doing this, but the choice is yours. If you are using front-end anti-spam plugins (CAPTCHAs, challenge questions, etc), be sure they are disabled since theres no longer a need for them, and these could likely conflict. (Back-end anti-spam plugins like Akismet are fine, although unnecessary.) Youre done! Sit back and see what it feels like to live without comment spam! For Best Results WP-SpamFree was created specifically to stop automated comment spam (which accounts for over 99% of comment spam), and recently we have added some features that help combat human comment spam, as well as trackback/pingback spam. Unfortunately, no plugin can perfectly detect human comment spam. As other experts will tell you, the most effective strategy for blocking spam involves applying a variety of techniques. For best results, enable comment moderation, and if you desire a backup, feel free to use Akismet (even though unnecessary), as the two plugins are compatible. Displaying Stats on Your Blog Want to show off your spam stats on your blog and tell others about WP-SpamFree? Simply add the following code to your WordPress theme where youd like the stats displayed: <?php if ( function_exists(spamfree_counter) ) { spamfree_counter(1); } ?> where 1 is the style. Replace the 1 with a number from 1-9 corresponding to one of the background styles youd like to use. (See plugin admin page for more info.) To add stats to individual posts, youll need to install the Exec-PHP plugin. To add smaller counter to your site, add the following code to your WordPress theme where youd like the stats displayed: <?php if ( function_exists(spamfree_counter) ) { spamfree_counter(1); } ?> where 1 is the style. Replace the 1 with a number from 1-5 that corresponds to one of the following. (See plugin admin page for more info.) Or, you can simply use the widget. It displays stats in the style of small counter #1. Now you can show spam stats on your blog without knowing any code. Adding a Contact Form to Your Blog First create a page (not post) where you want to have your contact form. Then, insert the following tag (using the HTML editing tab, NOT the Visual editor) and youre done: <!--spamfree-contact--> There is no need to configure the form. It allows you to simply drop it into the page you want to install it on. However, there are a few basic configuration options. You can choose whether or not to include Phone and Website fields, whether they should be required, add a drop down menu with up to 10 options, set the width and height of the Message box, set the minimum message length, set the form recipient, enter a custom message to be displayed upon successful contact form submission, and choose whether or not to include user technical data in the email. If you want to modify the style of the form using CSS, all the form elements have an ID attribute you can reference in your stylesheet. What the Contact Form feature IS: A simple drop-in contact form that wont get spammed. What the Contact Form feature is NOT: A configurable and full-featured plugin like some other contact form plugins out there. Note: Please do not request new features for the contact form, as the main focus of the plugin is spam protection. Thank you. Configuration Information Spam Options M2 - Use two methods to set cookies. This adds a secondary non-JavaScript method to set cookies in addition to the standard JS method. Blocked Comment Logging Mode This is a temporary diagnostic mode that logs blocked comment submissions for 7 days, then turns off automatically. If you want to see what spam has been blocked on your site, this is the option to use. Also, if you experience any technical issues, this will help with diagnosis, as you can email this log file to support if necessary. If you suspect you are having a technical issue, please turn this on right away and start logging data. Then submit a support request, and well email you back asking to see the log file so we can help you fix whatever the issue may be. The log is cleared each time this feature is turned on, so make sure you download the file before turning it back on. Also the log is capped at 2MB for security. This feature may use slightly higher server resources, so for best performance, only use when necessary. (Most websites wont notice any difference.) Log All Comments Requires that Blocked Comment Logging Mode be engaged. Instead of only logging blocked comments, this will allow the log to capture all comments while logging mode is turned on. This provides more technical data for comment submissions than WordPress provides, and helps us improve the plugin. If you plan on submitting spam samples to us for analysis, its helpful for you to turn this on, otherwise its not necessary. If you have any spam comments that you feel WP-SpamFree should have blocked (usually human spam), then please submit a support request. When we email you back we will ask you to forward the data to us by email. This extra data will be extremely valuable in helping us improve the spam protection capabilites of the plugin. Disable trackbacks. Use if trackback spam is excessive. It is recomended that you dont use this option unless you are experiencing an extreme spam attack. Disable pingbacks. Use if pingback spam is excessive. The disadvantage is a reduction of communication between blogs. When blogs ping each other, its like saying "Hi, I just wrote about you" and disabling these pingbacks eliminates that ability. It is recomended that you dont use this option unless you are experiencing an extreme spam attack. Help promote WP-SpamFree? This places a small link under the comments and contact form, letting others know whats blocking spam on your blog. This plugin is provided for free, so this is much appreciated. Its a small way you can give back and let others know about WP-SpamFree. Contact Form Options These are self-explanatory.
faq:
Please see the FAQs. Also, see the troubleshooting guide. If you have any further questions, please submit them on the support page.

Author: Scott Allen An extremely powerful WordPress anti-spam plugin that eliminates blog comment spam, including trackback and pingback spam. Finally, you can enjoy a spam-free WordPress blog! Includes spam-free contact form feature as well
Installation:
Installation Instructions After downloading, unzip file and upload the enclosed wp-spamfree directory to your WordPress plugins directory: /wp-content/plugins/. As always, activate the plugin on your WordPress plugins page. Check to make sure the plugin is installed properly. Many support requests for this plugin originate from improper installation and can be easily prevented. To check proper installation status, go to the WP-SpamFree page in your Admin. Its a submenu link on the Plugins page. Go the the Installation Status area near the top and it will tell you if the plugin is installed correctly. If it tells you that the plugin is not installed correctly, please double-check what directory you have installed WP-SpamFree in, delete any WP-SpamFree files you have uploaded to your server, re-read the Installation Instructions, and start the Installation process over from step 1. If it is installed correctly, then move on to the next step. Select desired configuration options. Due to popular request, Ive added the option to block trackbacks and pingbacks if the user feels they are excessive. Id recommend not doing this, but the choice is yours. If you are using front-end anti-spam plugins (CAPTCHAs, challenge questions, etc), be sure they are disabled since theres no longer a need for them, and these could likely conflict. (Back-end anti-spam plugins like Akismet are fine, although unnecessary.) Youre done! Sit back and see what it feels like to live without comment spam! For Best Results WP-SpamFree was created specifically to stop automated comment spam (which accounts for over 99% of comment spam), and recently we have added some features that help combat human comment spam, as well as trackback/pingback spam. Unfortunately, no plugin can perfectly detect human comment spam. As other experts will tell you, the most effective strategy for blocking spam involves applying a variety of techniques. For best results, enable comment moderation, and if you desire a backup, feel free to use Akismet (even though unnecessary), as the two plugins are compatible. Displaying Stats on Your Blog Want to show off your spam stats on your blog and tell others about WP-SpamFree? Simply add the following code to your WordPress theme where youd like the stats displayed: <?php if ( function_exists(spamfree_counter) ) { spamfree_counter(1); } ?> where 1 is the style. Replace the 1 with a number from 1-9 corresponding to one of the background styles youd like to use. (See plugin admin page for more info.) To add stats to individual posts, youll need to install the Exec-PHP plugin. To add smaller counter to your site, add the following code to your WordPress theme where youd like the stats displayed: <?php if ( function_exists(spamfree_counter) ) { spamfree_counter(1); } ?> where 1 is the style. Replace the 1 with a number from 1-5 that corresponds to one of the following. (See plugin admin page for more info.) Or, you can simply use the widget. It displays stats in the style of small counter #1. Now you can show spam stats on your blog without knowing any code. Adding a Contact Form to Your Blog First create a page (not post) where you want to have your contact form. Then, insert the following tag (using the HTML editing tab, NOT the Visual editor) and youre done: <!--spamfree-contact--> There is no need to configure the form. It allows you to simply drop it into the page you want to install it on. However, there are a few basic configuration options. You can choose whether or not to include Phone and Website fields, whether they should be required, add a drop down menu with up to 10 options, set the width and height of the Message box, set the minimum message length, set the form recipient, enter a custom message to be displayed upon successful contact form submission, and choose whether or not to include user technical data in the email. If you want to modify the style of the form using CSS, all the form elements have an ID attribute you can reference in your stylesheet. What the Contact Form feature IS: A simple drop-in contact form that wont get spammed. What the Contact Form feature is NOT: A configurable and full-featured plugin like some other contact form plugins out there. Note: Please do not request new features for the contact form, as the main focus of the plugin is spam protection. Thank you. Configuration Information Spam Options M2 - Use two methods to set cookies. This adds a secondary non-JavaScript method to set cookies in addition to the standard JS method. Blocked Comment Logging Mode This is a temporary diagnostic mode that logs blocked comment submissions for 7 days, then turns off automatically. If you want to see what spam has been blocked on your site, this is the option to use. Also, if you experience any technical issues, this will help with diagnosis, as you can email this log file to support if necessary. If you suspect you are having a technical issue, please turn this on right away and start logging data. Then submit a support request, and well email you back asking to see the log file so we can help you fix whatever the issue may be. The log is cleared each time this feature is turned on, so make sure you download the file before turning it back on. Also the log is capped at 2MB for security. This feature may use slightly higher server resources, so for best performance, only use when necessary. (Most websites wont notice any difference.) Log All Comments Requires that Blocked Comment Logging Mode be engaged. Instead of only logging blocked comments, this will allow the log to capture all comments while logging mode is turned on. This provides more technical data for comment submissions than WordPress provides, and helps us improve the plugin. If you plan on submitting spam samples to us for analysis, its helpful for you to turn this on, otherwise its not necessary. If you have any spam comments that you feel WP-SpamFree should have blocked (usually human spam), then please submit a support request. When we email you back we will ask you to forward the data to us by email. This extra data will be extremely valuable in helping us improve the spam protection capabilites of the plugin. Disable trackbacks. Use if trackback spam is excessive. It is recomended that you dont use this option unless you are experiencing an extreme spam attack. Disable pingbacks. Use if pingback spam is excessive. The disadvantage is a reduction of communication between blogs. When blogs ping each other, its like saying "Hi, I just wrote about you" and disabling these pingbacks eliminates that ability. It is recomended that you dont use this option unless you are experiencing an extreme spam attack. Help promote WP-SpamFree? This places a small link under the comments and contact form, letting others know whats blocking spam on your blog. This plugin is provided for free, so this is much appreciated. Its a small way you can give back and let others know about WP-SpamFree. Contact Form Options These are self-explanatory.
faq:
Please see the FAQs. Also, see the troubleshooting guide. If you have any further questions, please submit them on the support page.