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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: mouss <mouss_at_nospam>
Date: Mon Oct 04 2010 - 20:55:34 GMT

  Le 04/10/2010 21:10, Jeroen Geilman a √©crit :
> On 10/04/2010 08:31 PM, Ralf Hildebrandt wrote:
>> * Jeroen Geilman<>:
>>> 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.

OP talks about clients helo'ing with his IP, not connections coming from
someone who spoofed his IP.