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Postfix limit total sent per hour

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2

1

I'm not after services that could provide me with fancy fine-grained control like policyd, I don't need per user/domain control, I only want to:

limit maximim number of emails that could be sent trough Postfix mail
system per hour, preferably but not necessary excluding domains that
Postfix mail system itself handles.

Let's say I want to set limit of 200 messages per hour. Desired behavior is that 201 message holds until one hour period is over in order to be delivered.

I would be really amazed if solution to this could respect my previously set per-domain rate limits:

smtp_destination_concurrency_limit = 1
smtp_destination_rate_delay = 3s
smtp_extra_recipient_limit = 2

EDIT:
here are some configuration options that might be related to what I'm looking for:

anvil_rate_time_unit = 120s
smtpd_client_recipient_rate_limit = 4
smtpd_client_message_rate_limit = 4
smtpd_client_connection_count_limit = 1
smtpd_client_connection_rate_limit = 1

This configuration should limit 4 emails per 2 minutes, thus 120 per hour - but I'm not sure if it works.

email postfix email-server spam rate-limiting

share|improve this question

edited Jun 29 '16 at 8:08

Miloš Đakonović

asked Jun 28 '16 at 8:45

Miloš ĐakonovićMiloš Đakonović

4201725

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  A very crude approach would be to rate limit outgoing connections using IPtables.
  
  – André Borie
  Jun 28 '16 at 10:05
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @AndréBorie Would that be feasible?
  
  – Miloš Đakonović
  Jun 28 '16 at 10:41
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Feasible, yes. But also awful and definitely not the right tool for the job.
  
  – André Borie
  Jun 28 '16 at 10:44
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Isn't this a duplicate of: serverfault.com/questions/110919/…? I also don't understand why you think that smtp_destination_rate_delay won't do what you need....
  
  – DictatorBob
  Jul 8 '16 at 6:44
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @DictatorBob smtp_destination_rate_delay applies per domain, AFAIK.
  
  – Miloš Đakonović
  Jul 9 '16 at 6:59
  

  
  
  
  

 | 
show 1 more comment

2

1

I'm not after services that could provide me with fancy fine-grained control like policyd, I don't need per user/domain control, I only want to:

limit maximim number of emails that could be sent trough Postfix mail
system per hour, preferably but not necessary excluding domains that
Postfix mail system itself handles.

Let's say I want to set limit of 200 messages per hour. Desired behavior is that 201 message holds until one hour period is over in order to be delivered.

I would be really amazed if solution to this could respect my previously set per-domain rate limits:

smtp_destination_concurrency_limit = 1
smtp_destination_rate_delay = 3s
smtp_extra_recipient_limit = 2

EDIT:
here are some configuration options that might be related to what I'm looking for:

anvil_rate_time_unit = 120s
smtpd_client_recipient_rate_limit = 4
smtpd_client_message_rate_limit = 4
smtpd_client_connection_count_limit = 1
smtpd_client_connection_rate_limit = 1

This configuration should limit 4 emails per 2 minutes, thus 120 per hour - but I'm not sure if it works.

email postfix email-server spam rate-limiting

share|improve this question

edited Jun 29 '16 at 8:08

Miloš Đakonović

asked Jun 28 '16 at 8:45

Miloš ĐakonovićMiloš Đakonović

4201725

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  A very crude approach would be to rate limit outgoing connections using IPtables.
  
  – André Borie
  Jun 28 '16 at 10:05
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @AndréBorie Would that be feasible?
  
  – Miloš Đakonović
  Jun 28 '16 at 10:41
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Feasible, yes. But also awful and definitely not the right tool for the job.
  
  – André Borie
  Jun 28 '16 at 10:44
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Isn't this a duplicate of: serverfault.com/questions/110919/…? I also don't understand why you think that smtp_destination_rate_delay won't do what you need....
  
  – DictatorBob
  Jul 8 '16 at 6:44
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @DictatorBob smtp_destination_rate_delay applies per domain, AFAIK.
  
  – Miloš Đakonović
  Jul 9 '16 at 6:59
  

  
  
  
  

 | 
show 1 more comment

I'm not after services that could provide me with fancy fine-grained control like policyd, I don't need per user/domain control, I only want to:

limit maximim number of emails that could be sent trough Postfix mail
system per hour, preferably but not necessary excluding domains that
Postfix mail system itself handles.

Let's say I want to set limit of 200 messages per hour. Desired behavior is that 201 message holds until one hour period is over in order to be delivered.

I would be really amazed if solution to this could respect my previously set per-domain rate limits:

smtp_destination_concurrency_limit = 1
smtp_destination_rate_delay = 3s
smtp_extra_recipient_limit = 2

EDIT:
here are some configuration options that might be related to what I'm looking for:

anvil_rate_time_unit = 120s
smtpd_client_recipient_rate_limit = 4
smtpd_client_message_rate_limit = 4
smtpd_client_connection_count_limit = 1
smtpd_client_connection_rate_limit = 1

This configuration should limit 4 emails per 2 minutes, thus 120 per hour - but I'm not sure if it works.

email postfix email-server spam rate-limiting

share|improve this question

edited Jun 29 '16 at 8:08

Miloš Đakonović

asked Jun 28 '16 at 8:45

Miloš ĐakonovićMiloš Đakonović

4201725

smtp_destination_concurrency_limit = 1
smtp_destination_rate_delay = 3s
smtp_extra_recipient_limit = 2

anvil_rate_time_unit = 120s
smtpd_client_recipient_rate_limit = 4
smtpd_client_message_rate_limit = 4
smtpd_client_connection_count_limit = 1
smtpd_client_connection_rate_limit = 1

share|improve this question

edited Jun 29 '16 at 8:08

Miloš Đakonović

asked Jun 28 '16 at 8:45

Miloš ĐakonovićMiloš Đakonović

4201725

share|improve this question

edited Jun 29 '16 at 8:08

Miloš Đakonović

asked Jun 28 '16 at 8:45

Miloš ĐakonovićMiloš Đakonović

4201725

asked Jun 28 '16 at 8:45

Miloš ĐakonovićMiloš Đakonović

4201725

asked Jun 28 '16 at 8:45

Miloš ĐakonovićMiloš Đakonović

4201725

2 Answers
2

active

oldest

votes

1

You can configure Postfix to divert all messages to the hold queue, and an external script (which you'll need to write) can monitor this queue and release messages at the desired rate.

share|improve this answer

answered Jul 8 '16 at 22:50

Drew BloechlDrew Bloechl

68436

add a comment | 

2

Postfix does not have that feature by default, you will have to use external program policyd to enforce that rule.
I believe you will find the knowledge you seek in this link:
http://ngocquyetlinux.blogspot.com/2013/05/limit-mail-with-policyd.html

share|improve this answer

answered Jul 9 '16 at 16:30

GinterhauserGinterhauser

212

add a comment | 

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1

You can configure Postfix to divert all messages to the hold queue, and an external script (which you'll need to write) can monitor this queue and release messages at the desired rate.

share|improve this answer

answered Jul 8 '16 at 22:50

Drew BloechlDrew Bloechl

68436

add a comment | 

1

You can configure Postfix to divert all messages to the hold queue, and an external script (which you'll need to write) can monitor this queue and release messages at the desired rate.

share|improve this answer

answered Jul 8 '16 at 22:50

Drew BloechlDrew Bloechl

68436

add a comment | 

You can configure Postfix to divert all messages to the hold queue, and an external script (which you'll need to write) can monitor this queue and release messages at the desired rate.

share|improve this answer

answered Jul 8 '16 at 22:50

Drew BloechlDrew Bloechl

68436

share|improve this answer

answered Jul 8 '16 at 22:50

Drew BloechlDrew Bloechl

68436

answered Jul 8 '16 at 22:50

Drew BloechlDrew Bloechl

68436

answered Jul 8 '16 at 22:50

Drew BloechlDrew Bloechl

68436

2

Postfix does not have that feature by default, you will have to use external program policyd to enforce that rule.
I believe you will find the knowledge you seek in this link:
http://ngocquyetlinux.blogspot.com/2013/05/limit-mail-with-policyd.html

share|improve this answer

answered Jul 9 '16 at 16:30

GinterhauserGinterhauser

212

add a comment | 

2

Postfix does not have that feature by default, you will have to use external program policyd to enforce that rule.
I believe you will find the knowledge you seek in this link:
http://ngocquyetlinux.blogspot.com/2013/05/limit-mail-with-policyd.html

share|improve this answer

answered Jul 9 '16 at 16:30

GinterhauserGinterhauser

212

add a comment | 

Postfix does not have that feature by default, you will have to use external program policyd to enforce that rule.
I believe you will find the knowledge you seek in this link:
http://ngocquyetlinux.blogspot.com/2013/05/limit-mail-with-policyd.html

share|improve this answer

answered Jul 9 '16 at 16:30

GinterhauserGinterhauser

212

share|improve this answer

answered Jul 9 '16 at 16:30

GinterhauserGinterhauser

212

answered Jul 9 '16 at 16:30

GinterhauserGinterhauser

212

answered Jul 9 '16 at 16:30

GinterhauserGinterhauser

212