Forged FROM address in my domain

Hadlow, Tim Tim.Hadlow at BL.UK
Tue Nov 25 13:10:36 GMT 2003


Raymond,

I don't think we should have any users doing that, they would normally be
using https though to our own Outlook Web Access servers and therefore
within our own IP subnets.

Tim.
-----Original Message-----
From: Raymond Dijkxhoorn [mailto:raymond at PROLOCATION.NET]
Sent: 25 November 2003 12:49
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: Forged FROM address in my domain


Hi!

> I am getting quite a lot of Spam getting through which has a forged FROM
> address using a spurious user name in our own domain. Is there any easy
way
> to say
> If From is *@my.domain and IP address is not my IP subnet then message 'Is
> Definitely Spam'?

You never have users mailing from home or users mailing from a webcafe
somewhere ? In most situations there is also legit mail comming in.

Bye,
Raymond.

















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