Exchange2013 - Block SPAM From: "legitusername@contoso.com" realspamsender@windowslice.com »

nicolas s.
nicolas s. used Ask the Experts™
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Using Exchange 2013, is there a mail to block internal user usurpated email?

More and more users are getting unwanted email like « From: "legitusername@contoso.com" realspamsender@windowslice.com »
I'm looking for rule that block mails displaying @contoso.com that aren't sent from consoto.com email adresses.

Any help woud be appreciated,
Thanks!
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Hi,

You can read up here on Exchange 2013 anti-spam settings on mailboxes. Or beter yet use an external appliance like the McAfee Web Gateway.

Cheers
Easiest option was to create a rule:
As been sent to "inside the organisation"
header contains "domain.name"
Was recieved from "oustide the organisation"

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