1
vote
2answers
102 views

How to rate limit outgoing SMTP connections for Postfix

I have a postfix instance running on a VM. The VM provider shuts us down if we exceed a threshold of SMTP connections per minute - something like 10. In a typical day we might send 1000 messages, so ...
-3
votes
1answer
104 views

Google-style “Your network is generating too much traffic” bounce for postfix

I'm being attacked from a botnet and I found out about it because I got this email from mailer-daemon telling me there's no space left on device. The mail.log was filled up with messages like Dec 5 ...
2
votes
1answer
233 views

How can I prevent postfix from sending thousands of emails?

I have a Django installation that is configured to email administrators (five of us) whenever an error occurs. All of the generated emails are directed to postfix and then on to the mail server for ...
1
vote
1answer
1k views

How to rate-limit outgoing email on Linux/Postfix host?

Background: I'm a fan of David Allen's Getting Things Done, and that means when an email arrives in my inbox, if I can reply right away, I want to do so and keep my inbox clear. But there's a ...
9
votes
6answers
13k views

Postfix throttling for outgoing messages

I need Postfix to send outgoing messages (from local PHP) with a certain rate. Say, one message in 120 seconds. Any messages exceeding this rate should be queued (delayed) and delivered later. ...