> "DE" == Dino Edwards writes:
DE> Hello, We have various IPs that throughout the day hammer our server
DE> attempting to deliver messages to non-existent recipients. The messages
DE> get rejected because the recipients do not exist. This results with having
DE> 30 to 100 rejected emails at a
Sven Schwedas wrote in
<1d9d281d-de64-8299-2bed-35fc9889f...@tao.at>:
|
|> What is the recommended way to combat this behavior?
|
|I'd personally lean towards fail2ban or comparable solutions to
|aggregate Rejects with other suspicious behaviour on other ports and
|react with system-wide I
What is the recommended way to combat this behavior?
I'd personally lean towards fail2ban or comparable solutions to
aggregate Rejects with other suspicious behaviour on other ports and
react with system-wide IP bans.
Fail2ban e.g. has examples for catching REJECTs in its wiki:
http://www
Hello,
We have various IPs that throughout the day hammer our server attempting to
deliver messages to non-existent recipients. The messages get rejected because
the recipients do not exist. This results with having 30 to 100 rejected emails
at a time. What is the recommended way to combat this
