Someone was able to hack my mail account

[kevin]

Peter Boy wrote:
> Am Donnerstag, den 10.12.2009, 16:41 -0500 schrieb kevin:
>> Please if anyone knows how to stop this with postfix and amavisd-new 
>> please let me know !!!
>>
>> I am clueless how someone outside $mynetworks was able to do it.
> 
> 
> Looking at your log file I don't think someone was able to hack your
> mail account.  A spam network picked up your domain name which they 
> got to know e.g. by your web site (it is useful for them because they
> know that domain really exists and it is unsuspicious in terms of spam).
> They invented a user because they don't know your real users. This
> address ist used to bypass basic spam filters (e.g. sender domain must
> exist).
> 
> They will continue to use it for some time and then pick up another.
> 
> 
> Peter 

Thank you for the reply.

I was looking over the conf files and can't find how to disable a 
non-user from sending mail through my system. I thought I had it tight.

I am just glad the spammer sent the mail to me and not a million people.

Thanks,
Kevin



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