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Relay error on Distribution List with external contacts

relay forward

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#1 partner_msp@icuc.nl

partner_msp@icuc.nl
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Posted 20 January 2018 - 08:10 AM

Hi,

 

We have a Distribution List with external contacts if people from outside the company send mail to this list the forward to the external contact is blocked by Barracuda .... Reason: [{LED=451 domain not found ‎(not relaying for x.x.x.x) 

 

How do I fix this?

 

Regards,

Remy 



#2 Jeff Hughes

Jeff Hughes
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Posted 20 June 2018 - 08:18 AM

I am having the same issue.  MS says it is Barracuda.  Can anyone help???