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тАО01-17-2002 02:03 PM
тАО01-17-2002 02:03 PM
Thanks for your reply,
Paul Mancillas
Solved! Go to Solution.
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тАО01-17-2002 02:26 PM
тАО01-17-2002 02:26 PM
SolutionJust wondering but what do you get if you do an nslookup to that domain and ip adress? Also do you see anything kind of connection problems when you do the command
#mailq
Here are two links that talk about the same issue you are having. Let us know if this helps.
http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0x2fe1f9beca68d511abcd0090277a778c,00.html
http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0xd6fea12d6d27d5118fef0090279cd0f9,00.html
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тАО01-17-2002 06:35 PM
тАО01-17-2002 06:35 PM
Re: NOQUEUE: Null connection from cs24160121-88.houston.rr.com
Thanks for the help. The links you gave were helpful. But I still have a question. Can someone hack into my email server just by using "telnet host 25"? In other words, can they do damage to my system by using only sendmail commands?
Thanks,
Paul Mancillas
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тАО01-18-2002 01:38 PM
тАО01-18-2002 01:38 PM
Re: NOQUEUE: Null connection from cs24160121-88.houston.rr.com
I am not 100% sure about that. I know that you can spam and relay mail though your mailserver though port 25 if you are in open relay.And that in its self is a headache if you get blacklisted. But as far as doing major damage though port 25 with sendmail commands. I would say no but once again I am not too totaly sure. Sorry I couldnt help you further.
Richard
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тАО01-18-2002 01:43 PM
тАО01-18-2002 01:43 PM
Re: NOQUEUE: Null connection from cs24160121-88.houston.rr.com
So I went on and posted your question. Here is the link.
http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0x1ed85a3e6e0bd6118ff40090279cd0f9,00.html
Richard