''' <summary>
''' 通过SmtpClient类发送电子邮件
''' </summary>
''' <param name="ReceiveAddressList">收件人地址列表
''' <param name="Subject">邮件主题
''' <param name="Content">邮件内容
''' <param name="AttachFile">附件列表Hastable。KEY=文件名,Value文件路径
''' <returns></returns>
''' <remarks></remarks>
Private Function SendMail(ByVal ReceiveAddressList As List(Of String), ByVal Subject As String, ByVal Content As String, _
Optional ByVal AttachFile As Hashtable = Nothing) As Boolean
Dim i As Integer
'SMTP客户端
Dim smtp As New System.Net.Mail.SmtpClient("smtp.163.com")
'smtp.Host = "smtp.163.com" 'SMTP服务器名称
'发件人邮箱身份验证凭证。 参数分别为 发件邮箱登录名和密码
smtp.Credentials = New System.Net.NetworkCredential("邮箱登录名", "密码")
'创建邮件
Dim mail As New System.Net.Mail.MailMessage()
'主题编码
mail.SubjectEncoding = System.Text.Encoding.GetEncoding("GB2312")
'正文编码
mail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312")
'邮件优先级
mail.Priority = System.Net.Mail.MailPriority.Normal
'以HTML格式发送邮件,为false则发送纯文本邮箱
mail.IsBodyHtml = True
'发件人邮箱
mail.From = New System.Net.Mail.MailAddress("邮箱地址")
'添加收件人,如果有多个,可以多次添加
If ReceiveAddressList.Count = 0 Then Return False
For i = 0 To ReceiveAddressList.Count - 1
mail.To.Add(ReceiveAddressList.Item(i))
Next
'邮件主题和内容
mail.Subject = Subject
mail.Body = Content
'定义附件,参数为附件文件名,包含路径,推荐使用绝对路径
If Not AttachFile Is Nothing AndAlso AttachFile.Count <> 0 Then
For i = 0 To AttachFile.Count - 1
Dim objFile As New System.Net.Mail.Attachment(AttachFile.Values(i))
'附件文件名,用于收件人收到附件时显示的名称
objFile.Name = AttachFile.Keys(i)
'加入附件,可以多次添加
mail.Attachments.Add(objFile)
Next
End If
'发送邮件
Try
smtp.Send(mail)
MessageBox.Show("邮件发送成功！")
Return True
Catch
MessageBox.Show("邮件发送失败！")
Return False
Finally
mail.Dispose()
End Try
End Function
