My program sends emails via SMTP, it sends emails with no problem when just a normal email address ie firstname.lastname@example.org but as soon as I try to send it to a pre defined distribution list i get a bounce back message in outlook telling me I dont have permission to send to this list.
I have put in my network credentials into the code but it doesn't seem to make a difference.
Does anyone know if there is any other reason it wont send to a distribution list? The distrbution list was created in Active Directory, it is not a list I have setup in my own outlook.
Any thoughts appreciated.
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