vb.net send email problem

Visual Studio112
Dear all,



I try to send email through coding....which is successful (can receive

the mail) ...however,,,when i add a attachment...even no error...but not

receive any mail....don't know what's the problem.... the following is my

testing code





Dim email As New System.Web.Mail.MailMessage

Dim sSubstr As String = "C:\k1.jpg"

Dim myAttachment As MailAttachment = New MailAttachment(sSubstr)



email.Attachments.Add(myAttachment)



email.To = "test@test.com"

email.From = "testtest@test.com"

email.Body = sendbodytext

email.Subject = "Test Test"

email.BodyFormat = Web.Mail.MailFormat.Text



System.Web.Mail.SmtpMail.SmtpServer = "<<my smtp ip>>"

System.Web.Mail.SmtpMail.Send(email)





Thanks


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