thks for the mailscanner tool

Dhawal Doshy dhawal at
Fri Dec 1 09:22:28 GMT 2006

vinay poojary wrote:
> Dear Sir,
> I am using mailscanner with sendmail.The sendmail is installed with 
> smtp-auth .I have no such problems with mailscanner .I am just enjoying 
> the mailscanner configuration .
> But presently i am facing the problem of addres spoofing .The people in 
> my own company can change the from address and send mail to anyone via 
> smtp auth .Is there any way i could stop these address spoofing .

This totally depends on your MTA (mailscanner comes much later in the 
picture).. for instance postfix can do this using 
reject_sender_login_mismatch (qmail can do this as well with an addon 
patch). Don't know about sendmail, maybe some sendmail experts can shed 
some more light,

- dhawal

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