Victor Duchovni wrote:
Is there any chance you could get them to try installing something like
fail2ban, which can block connections from IPs that are doing the
dictionary attacks?
Trying to fix postfix to handle a DOS attack would seem to be more
difficult than preventing it in the first place.
The destination system is not Postfix. The sending system is experiencing
connection problems. We don't know anything about configured concurrency
limits, volumes, ... the OP has provided only minimal information.
Sorry, I was thinking about the wrong end of the transaction.
Terry
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Terry Carmen
CNY Support, LLC
315.382.3939
http://cnysupport.com
