Imports System
Imports Independentsoft.Email
Imports Independentsoft.Email.Smtp
Imports Independentsoft.Email.Mime
Public Class clsEmail
    Private Shared MailAktiv As Boolean = False

    'Public Shared Function Init()
    '        Try
    '        Dim DT As DataTable = clsDatatabase.Return_Datatable("select * from TBDD_EMAIL_ACCOUNT where ACTIVE = 1")
    '        If DT.Rows.Count = 1 Then
    '                For Each row As DataRow In DT.Rows

    '                MailFrom = row.Item("EMAIL_ABS")
    '                    MAilSMTP = row.Item("EMAIL_SMTP")
    '                    MailSSL = row.Item("EMAIL_SSL")
    '                    MailUser = row.Item("EMAIL_USER")
    '                    MailUser_PW = row.Item("EMAIL_USER_PW")
    '                    MailAktiv = True
    '                    Exit For
    '                Next
    '            Else
    '                MailAktiv = False
    '            End If

    '            Return True
    '        Catch ex As Exception
    '            clsLogger.Add(ex.Message, True, "clsEmail.Init")
    '            Return False
    '        End Try
    '    End Function
    'Public Shared Function Send_EMail(ByVal MailBetreff As String, ByVal vBody As String, MailEmpfaenger As String, MailFrom As String, MAilSMTP As String, MailUser As String, MailUser_PW As String, SSL As Boolean,
    '                                  Optional attment As String = "", Optional test As Boolean = False)
    '    '#### E-MAIL NACHRICHT VERSENDEN
    '    Try
    '        Dim empfaenger As String()
    '        If MailEmpfaenger.Contains(";") Then
    '            empfaenger = MailEmpfaenger.Split(";")
    '        Else
    '            ReDim Preserve empfaenger(0)
    '            empfaenger(0) = MailEmpfaenger
    '        End If
    '        'Für jeden Empfänger eine Neue Mail erzeugen
    '        For Each _mailempfaenger As String In empfaenger
    '            'Neue Nachricht erzeugen: 
    '            Dim message As New MailMessage(MailFrom, _mailempfaenger, MailBetreff,
    '                                                     "<font face=""Arial"">" & vBody & "</font>") '& "<br>" &
    '            '"<br>Domain: " & Environment.UserDomainName & 
    '            '"<br>Gesendet am: " & My.Computer.Clock.LocalTime.ToShortDateString & "-" &
    '            'My.Computer.Clock.LocalTime.ToLongTimeString & 

    '            ' create and add the attachment(s) */
    '            If attment <> String.Empty Then
    '                If System.IO.File.Exists(attment) Then
    '                    Dim Attachment As Attachment = New Attachment(attment)
    '                    message.Attachments.Add(Attachment)
    '                End If
    '            End If

    '            With message
    '                .IsBodyHtml = True
    '            End With

    '            'Einen SMTP Client erzeugen und Anmeldungsinformationen hinterlegen
    '            Dim emailClient As New SmtpClient(MAilSMTP)
    '            emailClient.EnableSsl = SSL
    '            'Email mit Authentifizierung
    '            Dim SMTPUserInfo As New System.Net.NetworkCredential(MailUser, MailUser_PW) ', My.Settings.vDomain)
    '            emailClient.UseDefaultCredentials = False
    '            emailClient.Credentials = SMTPUserInfo
    '            emailClient.Port = 25
    '            clsLogger.Add("==> Email erfolgreich an " & _mailempfaenger & " versendet!", False)
    '            clsLogger.Add("==> Text: " & vBody, False)
    '            clsLogger.Add("", False)
    '            '*Send the message */

    '            emailClient.Send(message)
    '            If test = True Then
    '                MsgBox("The testmail was send successfully", MsgBoxStyle.Information)
    '            End If
    '        Next
    '        Return True
    '    Catch ex As Exception
    '        clsLogger.Add(ex.Message, True, "cls.SendEmail")
    '        If test = True Then
    '            MsgBox("Unexpected error in Send Testmail: " & ex.Message, MsgBoxStyle.Critical)
    '        End If
    '        Return False
    '    End Try
    'End Function
    Public Shared Function Email_Send_Independentsoft(ByVal mailSubject As String, ByVal mailBody As String, mailto As String,
                                                      mailfrom As String, mailsmtp As String, mailport As Integer, mailUser As String, mailPW As String,
                                                      SSL As Boolean, Optional attment As String = "")
        Dim empfaenger As String()
        If mailto.Contains(";") Then
            empfaenger = mailto.Split(";")
        Else
            ReDim Preserve empfaenger(0)
            empfaenger(0) = mailto
        End If
        Dim _error As Boolean = False
        'Für jeden Empfänger eine Neue Mail erzeugen
        For Each _mailempfaenger As String In empfaenger

            Try
                Dim message As New Message()
                message.From = New Mailbox(mailfrom, mailfrom)
                message.[To].Add(New Mailbox(_mailempfaenger))
                message.Subject = mailSubject

                Dim textBodyPart As New BodyPart()
                textBodyPart.ContentType = New ContentType("text", "plain", "utf-8")
                textBodyPart.ContentTransferEncoding = ContentTransferEncoding.QuotedPrintable
                textBodyPart.Body = mailBody
                message.BodyParts.Add(textBodyPart)
                If attment <> String.Empty Then
                    If System.IO.File.Exists(attment) Then
                        Dim attachment1 As New Attachment("c:\testfolder\test.docx")
                        If attment.ToLower.EndsWith("pdf") Then
                            attachment1.ContentType = New ContentType("application", "pdf")
                        ElseIf attment.ToLower.EndsWith("jpg") Then
                            attachment1.ContentType = New ContentType("application", "jpg")
                        ElseIf attment.ToLower.EndsWith("docx") Then
                            attachment1.ContentType = New ContentType("application", "MS-word")
                        End If
                        message.BodyParts.Add(attachment1)
                    End If
                End If
                Dim client As SmtpClient
                Try
                    client = New SmtpClient(mailsmtp, mailport)
                Catch ex As Exception
                    clsLogger.AddError(ex.Message, "clsEmail.SendMail(Create Client)")
                    _error = True
                    Continue For
                End Try

                Try
                    client.Connect()
                Catch ex As Exception
                    clsLogger.AddError(ex.Message, "clsEmail.SendMail(Client.Connect)")
                    _error = True
                    Continue For

                End Try
                client.StartTls()
                Try
                    client.Login(mailUser, mailPW)
                Catch ex As Exception
                    clsLogger.AddError(ex.Message, "clsEmail.SendMail(Client.Login)")
                    _error = True
                    client.Disconnect()
                    Continue For
                End Try
                Try
                    client.Send(message)
                Catch ex As Exception
                    clsLogger.AddError(ex.Message, "clsEmail.SendMail(Client.Send)")
                    _error = True
                    client.Disconnect()
                    Continue For
                End Try
                client.Disconnect()

            Catch ex As Exception
                clsLogger.AddError(ex.Message, "clsEmail.SendMail()")
                _error = True
            End Try
        Next
        clsLogger.WriteLog()

        If _error = True Then
            Return False
        Else
            Return True
        End If
    End Function

End Class