You should be aware that at least sendmail servers logs connection that doesn't do anything useful, ie. only a connect and disconnect, or even a connect, HELO, NOOP and a disconnect. So you better get permission from the server administrator, or he might come back and ask you what you are doing and tell you to stop. It happend to me...

In reply to Re: Re: Code Review: Checking open ports. by fsn
in thread Code Review: Checking open ports. by Chady

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