Unable to sent email, 'Microsoft outlook cannot sign or encryt this message, no certification which can be use with this address...'

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Outlook1419

Unable to sent emails, able to recieve them, , continue to get a message that states" Microsoft outlook cannot sign or encryt this message no certification which can be use with this address..."
 
R

Roady [MVP]



Do you actually have a valid certificate to encrypt messages? If not, simply disable it and if you have, contact the supplier to verify its status and its configuration settings.

File-> Options-> Tust Center-> Trust Center Settings...-> E-mail Security
 
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