How to increase Qmail sending limit

August 15th, 2010 No Comments   Posted in Centos, Dabian, Directadmin, Qmail, cpanel

First verify that these setting have not already been customized, as running the commands will overwrite any changes they have made. The following command will show you whether those files exist:

ls /var/qmail/control | egrep 'timeoutremote|timeoutsmtpd|concurrencyremote'

Run following command to update limits
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How to open and close port in iptables ?

Few of very simple steps

1) Login using root

2) Enter following command to open port in iptables

iptables -A INPUT -p tcp --dport 25 -j ACCEPT

3) Enter following command to close port in iptables
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why sites suddenly stopped working in dedicated/virtual private servers

VeriSign has made some changes recently which are applied since March 1, 2010.  You can read detail by clicking here

How do I fix it?

You need to log in to your control panel and modify the affected domain name’s zone file, using the table below as an example. More »

Using both php4 and php5 at the same time in Directadmin

If you wish to use both php4 and php5 at the same time, custombuild will allow you to do this.
Note that you must have the 2 copies of php running as different types, one as CLI and one as CGI (suPhp). You cannot have both running as CLI, and similarly you cannot have both running as CGI.

First, make sure you’re running custombuild.
This is the guide to install it if you don’t have it:

http://files.directadmin.com/services/custombuild/1.1

To setup both php4 and php5, you’ll be editing the options.conf, eg:

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