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Date:      Fri, 13 Jul 2007 15:22:06 +0700
From:      vuthecuong <>
To:        Olivier Nicole <>
Subject:   Re: is is able to setting up DNS server reverse lookup with DynamicIP?
Message-ID:  <>
In-Reply-To: <>
References:  <> <> <> <> <> <>

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Olivier Nicole wrote:
>> But my postfix only can receive mails from freebsd-questions mailing
>> list, it can not send mail to this. 
> There is another thing you have to consider. As it is explained in
> your dynamic IP has been black listed (the IP was used before by
> someone else who sent SPAM, so now the IP is in a list of bad guys and
> many mail server will refuse to receive emails from your IP).
> So it is really a better idea that you sent all your email thought FPT
> email server.
> Best regards,
> Olivier
OK I understood, this is one lession I learned today: In order to run 
"real" mail server,
fixed IP address for forward and reverse DNS is must-have.
I will choose method of relaying through ISP though I prefer the first one.
Tnx you very much.

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