Dear Expert,

I wrote below codes for sending email thru ASP.NET.. but my SMTP server requires authentication, please help ..

Imports System.Net.Mail

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Try

Dim SendFrom As MailAddress = New MailAddress(mFromAddr)
Dim SendTo As MailAddress = New MailAddress(pTo)
Dim MyMessage As MailMessage = New MailMessage(SendFrom, SendTo)

MyMessage.Subject = pSubject
MyMessage.Body = pBody & vbCrLf & NoReply_Note

Dim mAttachment As String = ""
Dim attachFile As New Attachment(pAttachment)
MyMessage.Attachments.Add(attachFile)

Dim emailClient As New SmtpClient(mSMTP)

emailClient.Send(MyMessage)

...
...

Catch ex As Exception

...

End Try

Thanks & Regards
Winanjaya