IRedMail/FAQ/Enable.Throttling/RHEL.CentOS

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* Edit '''/etc/init.d/policyd''', set '''ENABLE_SENDER_THROTTLE='YES'''' to start another policyd instance for throttling:
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* Edit '''/etc/init.d/postfix-policyd''', set '''ENABLE_SENDER_THROTTLE='YES'''' to start another policyd instance for throttling:
{{cfg|/etc/init.d/policyd|<pre>
{{cfg|/etc/init.d/policyd|<pre>
ENABLE_SENDER_THROTTLE="YES"
ENABLE_SENDER_THROTTLE="YES"

Revision as of 12:35, 15 September 2010

iRedMail ships Policyd-1.8.x for sender & recipient throttling, but it's disabled by default. You can enable it by follow below steps on RHEL/CentOS:

  • Disable throttling in /etc/postfix-policyd.conf:
File: /etc/policyd.conf 
SENDERTHROTTLE=0
SENDER_THROTTLE_SASL=0
SENDER_THROTTLE_HOST=0

RECIPIENTTHROTTLE=0
  • Enable throttling in /etc/postfix-policyd_sender_throttle.conf:
File: /etc/policyd_sender_throttle.conf 
SENDERTHROTTLE=1
SENDER_THROTTLE_SASL=1
SENDER_THROTTLE_HOST=1

RECIPIENTTHROTTLE=1
  • Edit /etc/init.d/postfix-policyd, set ENABLE_SENDER_THROTTLE='YES' to start another policyd instance for throttling:
File: /etc/init.d/policyd 
ENABLE_SENDER_THROTTLE="YES"
  • Restart policyd service:
Terminal: 
# /etc/init.d/policyd restart

It will listen on two ports: 10031, 10032. You can verify it via command netstat:

Terminal: 
# netstat -ntlp | grep -i 1003
tcp        0      0 127.0.0.1:10031             0.0.0.0:*                   LISTEN      3454/policyd        
tcp        0      0 127.0.0.1:10032             0.0.0.0:*                   LISTEN      3459/policyd
  • Enable throttling in Postfix /etc/postfix/main.cf:
File: /etc/postfix/main.cf 
smtpd_end_of_data_restrictions = check_policy_service inet:127.0.0.1:10032

Restart postfix:

Terminal: 
# /etc/init.d/postfix restart

That's all. Enjoy. :)

Retrieved from "http://www.iredmail.org/wiki/index.php?title=IRedMail/FAQ/Enable.Throttling/RHEL.CentOS"
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