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GerhardpetFlag for Canada

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Email is rejected

I'm not sure what is going on. When a sender sends an email to my customer how is on SBS 2008/Exchange 2007 the email does not get to the SBS box and the sender recieves this error back
" the following message to _______ is undeliverable. The reason for the problem: Other mail system problem. 550-'5.7.1 Message rejected as spam by content filtering

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R--R
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This indicates that the message is rejected by content filter.
I belive due to some words it is blocked.

Send a simple test mail and check.
any chance the the sender domain is in any blacklist? :-)
could you test with another sender from any free mail (hotmail, gmail, yahoo, whatever)
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I sent an email from a yahoo address and it did not bounce back.
ASKER CERTIFIED SOLUTION
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WORKS2020
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Thank you WORKS2011

We are using Untangle to filter spam so I have now disabled spam filtering in SBS. I'm sure it will solve my problem...