[CentOS] sendmail security-with example
feizhou at graffiti.net
Thu Sep 21 07:18:48 UTC 2006
Mahayudin Mohd Hashim wrote:
> abhishek singh wrote:
>> i have never opened telnet ok , my xinetd service is
>> off so there is no telnet service , i m doing telnet
>> to outside to 25 port on my mail server and there is
>> proper smtp authentication enabled on server , the
>> problem is anyuser (non-existing) with my domain can
>> send mail to my real domain users.
>> below is example........
> Check this and do accordingly ...
> hope this help!
It does not. He does not have a relay problem. He wants to reject mails
that have sender addresses claiming to be from his domain and not only
that, they are also forged (non-existent).
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