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Outgoing not working for Microsoft 365

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  • Last reply by sfhowes

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Hi, I have my email set up and the incoming is fine. My outgoing is not allowing for me to send from a particular address.

I have Microsoft 365 and am using the following credentials in my settings in Thunderbird, but it is still not work. See image attached.

Hi, I have my email set up and the incoming is fine. My outgoing is not allowing for me to send from a particular address. I have Microsoft 365 and am using the following credentials in my settings in Thunderbird, but it is still not work. See image attached.
Attached screenshots

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Is the 'particular address' different from the dawn@....legal address, i.e. you're trying to send through an smtp with different credentials than the sending address?

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