I have just moved my mail server (exim4 split config based) from one
machine to another, and in doing so started examining the logs. I am
being hit with multiple attempts to relay - several a second. They come
in bursts from one host, then come from somewhere else.
I would like to put some for of inconvenient barrier up so perhaps they
stop bothering me.
What is a good way of deterring them?
I've added
delay = 10s
in conf.d/acl/30_exim4-config_check_rcpt
thus:-
# Insist that any other recipient address that we accept is either in one of
# our local domains, or is in a domain for which we explicitly allow
# relaying. Any other domain is rejected as being unacceptable for relaying.
require
message = relay not permitted
domains = +local_domains : +relay_to_domains
delay = 10s
Does this hang on to the incoming connection for 10 seconds? Is this a
mini teergrube? Is 10s a sensible figure?
--
Alan Chandler
http://www.chandlerfamily.org.uk
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