Hi all.I am trying to send mail through my vb.net application but i am getting error "Failure sending mail."
Can any1 help me to solve this problem?Below is the code I have written.

Private Sub Send_Mail(ByVal SendTo As String, ByVal Subject As String, ByVal Body As String)
        Dim strFrom As String = "myemail@gmail.com"
        Dim strto As String = SendTo
        Dim strSubject As String = Subject
        Dim strbody As String = Body

        Dim smtp As SmtpClient = New SmtpClient()
        Dim msg As MailMessage = New MailMessage(strFrom, strto, strSubject, strbody)
        msg.IsBodyHtml = True
        smtp.Host = "localhost"
        smtp.Send(msg)
        MsgBox("Mail Sent.")
    End Sub

Edited 4 Years Ago by Rachna0309: text

        Dim mail As New MailMessage()
        Dim SmtpServer As New SmtpClient
        SmtpServer.Credentials = New Net.NetworkCredential("senders_mail_address@gmail.com", "senders_mail_address_password")
        SmtpServer.Port = 587
        SmtpServer.Host = "smtp.gmail.com"
        SmtpServer.EnableSsl = True
        SmtpServer.EnableSsl = True
        mail.To.Add("receiver_mail_address@gmail.com")
        mail.From = New MailAddress("senders_mail_address@gmail.com")
        mail.Subject = "Mail_Subject_Here"
        mail.Body = TextBox1.Text ' or text what you want to write or get from
        SmtpServer.Send(mail)

Imports System.Net.Mail
Public Class Form1

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
    Dim EmailMessage As New MailMessage()
    Try
        EmailMessage.From = New MailAddress("Your Gmail account")
        EmailMessage.To.Add("Your email account")
        EmailMessage.Subject = "The Subject"
        EmailMessage.Body = "Put the message here"
        Dim SMTP As New SmtpClient("smtp.gmail.com")
        SMTP.Port = 587
        SMTP.EnableSsl = True
        SMTP.Credentials = New System.Net.NetworkCredential("Gmail account", "Gmail password")
        SMTP.Send(EmailMessage)
    Catch ex As Exception
    End Try
End Sub

End Class

Source: http://whydomy.com/2012/09/14/visual-basic-2010-send-an-email/

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