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send email internally with no password using SmtpClient

A corporate network has an email account where no authentication is required to send emails internally

I'm a little unsure how its done as the SmtpClient needs authentication (as I can see)

They gave me a code sample which works on their end

.Item(cdoSendUsingMethod) = cdoSendUsingPort

.Item(cdoSMTPServerPort) = 25

.Item(cdoSMTPServer) = "mail.theircorp.com" 

.Item(cdoSMTPAuthenticate) = cdoBasic

.Item(cdoSendUserName) = "nouser@theircorp.com"

.Item(cdoSendPassword) = ""

.Item(cdoSendEmailAddress) = "nouser@theircorp.com"

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But I assume this is old tech.

How would I achieve this using SmtpClient

Alex

Use powershell

#Send mail function
Function send_mail([string]$message,[string]$subject) {
    $emailFrom = "ADReports@company.com"
    $emailTo = "alex.green@company.com"
    $smtpServer = "exchangeserver"
    Send-MailMessage -SmtpServer $smtpServer -To $emailTo -From $emailFrom -Subject $subject -Body $message -BodyAsHtml -Priority High
}

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websss

ASKER

thanks, I need to do this in C# though

Alex

Oh,

I'm out in that case, sorry :(

I unfortunately didn't see the Tags of .NET etc.

Regards

Alex

ASKER CERTIFIED SOLUTION