I never found an answer to my question, but I did find a solution after much searching with a variety of search terms. I created the file...
Is it possible to configure the sendmail-whois-lines.conf file with a regex filter or other means so that a matching line in the auth.log is not...
Thanks to both of you for your replies. I have fail2ban on a ssh server and was hoping to piggy back on that since there are no email logins...
I am looking for a URL that would give some assistance on setting up a Fail2ban pass-through server. For instance, traffic on port 25 would be...
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