block the spam on ur servers , secure ur server from sending spam

AS we know sending spam with large number not allow for almost server and data centers'

so that if a site Ip send any spam
the hosting or data center will close this site until paying an amount of many
to the hosting as a penalty in order to re open this site

to avoids this on ur server​

this steps will close the spam :-

1) On the SSH write :

    pico /etc/exim.conf

PHP:

search for :

 spamd_address = 127.0.0.1 783

PHP:

above add :

 log_selector = +arguments +subject

PHP:

so that totally became :

 log_selector = +arguments +subject
spamd_address = 127.0.0.1 783 

PHP:

and then execute these two instruction on SSH

 service exim restart
service cpanel restart

PHP:

2) Install a (spamdconf ) from cpanel add-ons

3)From Tweak settings do the following:
1.The maximum each domain can send out per hour (0 is unlimited) Set it to number between (1 and 100 )
2.Check the following

• Prevent the user "nobody" from sending out mail to remote addresses (PHP and CGI scripts generally run as nobody if you are not using PHPSuexec and Suexec respectively.) ·
• SpamAssassin Spam Filter
• Horde Webmail
• Mailman
• SpamAssassin Spam Box delivery for messages marked as spam (user configurable)
• SquirrelMail Webmail

3.Un check the BoxTrapper Spam Trap

4) install a CSF on ur server

wget http://www.configserver.com/free/csf.tgz  
    tar -zxvf csf.tgz  
cd csf
sh install.sh

PHP:

And Don’t forget to set LF_SCRIPT_ALERT = 1
On csf.conf file

5) cave the peril 744 permeation :

chmod 755 /usr/bin/perl

PHP:

6) Blocking spam through php script by using nobody:-

From SSH write

service exim stop   

PHP:

and

pico /usr/sbin/sendmail

PHP:

Change the file contain with the following :

 #!/usr/local/bin/perl 
  
# use strict; 
 use Env; 
 my $date = `date`; 
 chomp $date; 
 open (INFO, ">>/var/log/spam_log") || die "Failed to open file ::$!"; 
 my $uid = $>; 
 my @info = getpwuid($uid); 
 if($REMOTE_ADDR) { 
         print INFO "$date - $REMOTE_ADDR ran $SCRIPT_NAME at $SERVER_NAME n"; 
 } 
 else { 
  
        print INFO "$date - $PWD -  @infon"; 
  
 } 
 my $mailprog = '/usr/sbin/sendmail.hidden'; 
 foreach  (@ARGV) { 
         $arg="$arg" . " $_"; 
 } 
  
 open (MAIL,"|$mailprog $arg") || die "cannot open $mailprog: $!n"; 
 while (<STDIN> ) { 
         print MAIL; 
 } 
 close (INFO); 
 close (MAIL);

PHP:

Then save the file sendmail And change its permissions by

chmod +x /usr/sbin/sendmail

PHP:

5) Create a log file to register ur customer trying in order to alert them:

touch /var/log/spam_log

PHP:

 chmod 0777 /var/log/spam_log

PHP:

6) start the ( exim):

service exim start

PHP:

Or

 /etc/init.d/exim start

PHP:

And don’t forget to keep updating the Apache and PHP to latest version

glade to help in any question