How to install dkim and domainkeys in postfix? DomainKeys works by signing outbound e-mail messages with a cryptographic signature which can be verified by the recipient to determine if the messages originates from an authorized system. DKIM–DomainKeys Identified Mail. DKIM is an extension of DomainKeys. It allows a recipient to… Continue Reading Installing Domainkeys, DKIM in postfix

Not able to restart Pure-FTPd: 421 Unknown authentication method: extauth:/var/run/ftpd.sock You may get the following error message while restarting Pure-FTPd in cPanel server. ===============Stopping pure-config.pl: cat: /var/run/pure-ftpd.pid: No such file or directorykill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec … or kill -l [sigspec] Stopping… Continue Reading Not able to restart Pure-FTPd: 421 Unknown authentication method: extauth:/var/run/ftpd.sock

This guide will explain how to set up a site over https.1. Get the required software ~~~~~~~~~~~~~~~~~ For an SSL encrypted web server you will need a few things. Depending on your install you may or may not have OpenSSL and mod_ssl, Apache’s interface to OpenSSL. Use yum to install… Continue Reading Setting up an SSL website in CentOS/Ubuntu if there is no control panel

CloudFlare: How to speed up my customers blog or website?You are the owner of a web-hosting company with N number of shared servers. Customers keeps complaining that the website/blogs are slow or the loading time of the domain has increased. You are aware about the server that it has high… Continue Reading CloudFlare and its used

search=”123″ tar -tf one.tar | while read filename do if [ -f “${filename}” ] then mv “${filename}” “${filename}.sav” fi # tar -xf one.tar “${filename}” # found=`grep -l “${search}” “${filename}”` if [ ! “${found}””X” = “X” ] then echo “Found \”${search}\” in \”${found}\”” grep “${search}” “${filename}” echo “” fi # if… Continue Reading Script to grep a word inside a tar file

How to find roundcube version provided by the cPanel?The roundcube version provided by the cPanel is 0.5.4. === -bash-3.2# cat /var/cpanel/roundcube/version 0.5.4.cp11130.1-bash-3.2# ===cPanel dicument regarding the roundcube ==== http://docs.cpanel.net/twiki/bin/view/AllDocumentation/RoundcubeReadme ==== Upgrade rouncube version /usr/local/cpanel/bin/update-roundcube –force cd /usr/local/cpanel/base/3rdparty/ mv roundcube roundcube-backup wget http://softlayer.dl.sourceforge.net/project/roundcubemail/roundcubemail/0.6/roundcubemail-0.6.tar.gz tar -zxf roundcubemail-0.6.tar.gz mv roundcubemail-0.6 roundcube cp roundcube-backup/config/main.inc.php… Continue Reading Find roundcube version provided by the cPanel and upgrade the roundcube

http://www.sorbs.net/mailsystems/exim4.shtmlExim 4.x is a lot more configurable and hence there is more detail to add… These entries are normally added to the acl_rcpt ACL in the exim.conf file. The default/example exim configuration should contain an example similar to these. To deny access, using a normal DNSBL with TXT records. deny… Continue Reading configure exim + sorbs RBL blacklist

http://www.dusanvuckovic.com/information-on-bounced-messages-ndr-codes/ These are the ASSP spam filtere bounce back mails code Please note, that each bounce message is different. Therefore, information relating to addresses, IP numbers, and domain names listed below will differ from what listed in your header information. If you have received a bounce message (NDR: Non-Delivery Report)… Continue Reading ASSP and other mail bounce back number

Installation ========= wget http://www.rfxn.com/downloads/maldetect-current.tar.gz tar -xzvf maldetect-current.tar.gz cd maldetect-* sh install.sh After running the install script , the installation will complete with in seconds and you will be provided with successful installation output, in this information some of the main configuration and usage related information provided is   below :installation completed… Continue Reading Maldet scanner for cPanel

This Post will help you in setting Max Emails allowed per hour in various Levels: To set the Value Server Wide: You can set the value in the following file in the case of cPanel: ===== /var/cpanel/maxemailsperhour===== You can set this limit at the user level by editing the following… Continue Reading cPanel max emails per hour, max emails per domain