postfix-users October 2010 archive
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postfix-users: Re: rejecting clients greeting me with my own nam

Re: rejecting clients greeting me with my own name

From: Jeroen Geilman <jeroen_at_nospam>
Date: Mon Oct 04 2010 - 19:10:11 GMT
To: postfix-users@postfix.org

On 10/04/2010 08:31 PM, Ralf Hildebrandt wrote:
> * Jeroen Geilman<jeroen@adaptr.nl>:
>
>> The real client IP ? That can't be trivially spoofed, and so would
>>>> actually BE your server.
>>>>
>>> I have seen clients who apparently connect to my MX with the IP and
>>> then send the IP after HELO.
>>>
>> With YOUR IP ? That's highly unlikely, to the point of unbelievability.
>>
> I've seen those as well; not from within my networks, but yes. I've
> seen them!
>
>

The OP says in so many words that he sees connections WITH HIS IP: "who
apparently connect to the MX *with the IP*"

This does not happen.