Craig Daters craig at WESTPRESS.COM
Fri Jul 8 16:59:29 IST 2005

Hash: SHA1

On Jul 8, 2005, at 8:36 AM, Julian Field wrote:

> Can someone else post some thoughts on this one please?
> I'm having a Friday-afternoon-brain-mush moment.
> On 8 Jul 2005, at 16:31, Kevin Miller wrote:
>> Julian Field wrote:
>>> In which case just change the From: to To: in the whitelist.
>> Huh?  How's that work?  The mail is addressed To: 
>> user at ci.juneau.ak.us,
>> pretending to be From: user at monster.com.
>> In spam.whitelist.rules I have
>>   From:  *@monster.com    yes
>> so that any mail from there is allowed in.  Wouldn't using To: 
>> basically
>> mean that any internal originating mail was allowed out?
>> Or am I just being dense?
No, using "To:" in the whitelist rules would mean that any incoming 
mail addressed to that particular user would be allowed through.

It sounds like what you need to do is configure your MTA to refuse mail 
where the domain in the "From:" envelope is coming from MX's that are 
not listed in DNS for that domain.

- ---
Craig Daters (craig at westpress.com)
Systems Administrator

West Press
1663 West Grant Road
Tucson, Arizona 85745

(520) 624-4939 x208
(520) 624-2715 fax

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