发送邮件

发送邮件

 Public Function SendMail(ByVal iSMTPServer As String, ByVal iUser As String, ByVal iPass As String, ByVal iAddressto As String, ByVal iAddressFrom As String, ByVal iSubject As String, ByVal iBody As String, Optional ByVal iFileName As String = "") As String
        On Error GoTo ERR_PROC
      
        Dim plReturn As String = String.Empty
        Dim plAttach As System.Net.Mail.Attachment = Nothing

        '送信元、送信先メールアドレスの設定。
        Dim vlMessage As New System.Net.Mail.MailMessage(iAddressFrom, iAddressto)

        If File.Exists(iFileName) Then
            plAttach = New System.Net.Mail.Attachment(iFileName)
        End If

    
        'メール設定
        'メールの件名。
        vlMessage.Subject = iSubject
        'メールの内容。本文。
        vlMessage.Body = iBody

        If File.Exists(iFileName) Then
            vlMessage.Attachments.Add(plAttach)
        End If

        'SmtpClientに、サーバとポート番号を指定。
        Dim vlClient As New System.Net.Mail.SmtpClient(iSMTPServer)

        'SMTPサーバの認証IDとパスワードを設定した場合のみ、SMTP認証を行う。
        If iUser <> "" And iPass <> "" Then
            vlClient.Credentials = New System.Net.NetworkCredential(iUser, iPass)
        End If
        'メールを送信します。
        vlClient.Send(vlMessage)

EXIT_PROC:
        If plAttach IsNot Nothing Then
            plAttach.Dispose()
            plAttach = Nothing
        End If
        If vlMessage IsNot Nothing Then
            vlMessage.Dispose()
            vlMessage = Nothing
        End If

        Return plReturn

        Exit Function