Block spam with fake FROM from my domain

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Block spam with fake FROM from my domain

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cmcfarling

Posted 5/6/2008 10:57:29 PM

Junior Member

Group: Forum Members
Last Login: 5/9/2008 6:14:14 PM
Posts: 15, Visits: 18

Using the basic IMail antispam settings, is there a way to block emails whose FROM header is set to a fake user on my domain? For example, my domain is mydomain.com. I've added mydomain.com to the White List to keep vaild user's mail from being blocked internally within the company. If a spam message comes in with the FROM header set to xvfdger@mydomain.com, it is allowed through even though it's spam and would otherwise be caught by the other antispam settings.

The White List trumps all the other spam settings, correct? Is there a way to handle this situation?

Post #43541

jerger

Posted 5/7/2008 10:27:39 AM

Time Traveler

Group: Forum Members
Last Login: 8/7/2008 4:41:27 PM
Posts: 220, Visits: 430

you could whitelist all your email addresses.... ALL and ask that your coworkers submit their address books to you to whitelist as well just to be safe... then increase the intensity of your spam filters and then check the boxes to spam internal users (thats not the wording)

Post #43557

S.Young

Posted 5/7/2008 3:10:04 PM

Forum Guru

Group: Forum Members
Last Login: 5/7/2008 3:09:33 PM
Posts: 74, Visits: 154

any spoofed mail will get through with these settings.

not a good idea.

Post #43568

jerger

Posted 5/9/2008 10:07:34 AM

Time Traveler

Group: Forum Members
Last Login: 8/7/2008 4:41:27 PM
Posts: 220, Visits: 430

yeah spoofing sucks