参考：
Dim client As New System.Net.Mail.SmtpClient()
client.Host = "smtp.qq.com"
client.Credentials = New System.Net.NetworkCredential("455189993@qq.com", "helen6849338.")
client.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network
Dim message As New System.Net.Mail.MailMessage
message.From = new System.Net.Mail.MailAddress("455189993@qq.com")
message.To.Add("2450314695@qq.com")
message.Subject = "主题测试"
message.BodyEncoding = System.Text.Encoding.UTF8
message.IsBodyHtml = True
Dim attach1 As new System.Net.Mail.Attachment("D:\a.jpg", System.Net.Mime.MediaTypeNames.Image.Jpeg);
attach1.C '设置ContentId
Dim body As String = "<html><body>内容</body></html>"
Dim content As String = "12345678<font size=7 color=red>12345678</font><img src=""cid:pic1""/><p>来自张三.</p>"
message.Body = body.Replace("内容", content)
Try
client.Send(message)
msgbox("发送成功")
Catch ex As Exception
msgbox("发送失败:" & ex.message)
End Try
加好友 
发短信
Post By：2019/11/6 16:46:00 [显示全部帖子]
