Question about Internal spam

[Gareth]

Reason: Some people stupidly whitelist their own domain name so the
spammers do this in order to get through.

Fix: Implement SPF

On Mon, 2008-03-17 at 15:55, Ivan Arteaga wrote:
> Hello,
> 
> I would like to know why the mail  users  (server: 
> centOS+sendmail+mailscanner) are receiving mails from their own address 
> i,e:
> 
> mail from: user1 at domain.com
> mail to: user1 at domain.com
> subject: stock options....
> 
> Also I would like to know if you have any recomendation in order ot 
> avoid this?
> 
> Best Regards,
> 
> --Ivan.