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Can't send mail using System.Net.Mail

29 Sep, 11


Author: popo4




Hello.
I create one asp.net project (in vb) for sending mail using gmail account.
When I test in localhost mail was sent but when I try it placed, here, on aspspider.net I got error message Failure sending mail.
Bellow is code :

Public Sub SendGMail(ByVal txtFromEMailAddress, ByVal txtFromName, ByVal txtPassword, ByVal txtToEmailAddress, ByVal txtSubject, ByVal txtMessage)
       Try
           Dim msg As System.Net.Mail.MailMessage = New System.Net.Mail.MailMessage
           msg.From = New System.Net.Mail.MailAddress(txtFromEMailAddress.ToString.Trim, txtFromName.ToString)
           msg.To.Add(New System.Net.Mail.MailAddress(txtToEmailAddress))
           msg.Subject = txtSubject
           msg.IsBodyHtml = True
           msg.BodyEncoding = UTF8Encoding.UTF8
           msg.Body = txtMessage
           Dim fa As System.Net.Mail.MailAddress = New System.Net.Mail.MailAddress(txtFromEMailAddress.ToString.Trim)
           Dim sm As System.Net.Mail.SmtpClient = New System.Net.Mail.SmtpClient()

           sm.UseDefaultCredentials = False
           'Dim gm As System.Net.NetworkCredential = New System.Net.NetworkCredential(fa.ToString, txtPassword.ToString.Trim)
           sm.Host = smtp.gmail.com
           sm.Port = 587
           sm.EnableSsl = True
           sm.Timeout = 10000
           sm.DeliveryMethod = Net.Mail.SmtpDeliveryMethod.Network
           sm.Credentials = New System.Net.NetworkCredential(fa.ToString.Trim, txtPassword.ToString.Trim)
           sm.Send(msg)
       Catch ex As Exception
           MBox(Mail not sent. + vbCrLf + ex.Message.ToString)
       End Try

   End Sub

Can somebody help me where is error?

Thx to all.
p.s. sorry for my weak english.

Answers .............
Author: popo4

Posted Date: 02 Oct, 11   
no one?
Author: Nishanth Mohan

Posted Date: 02 Oct, 11   
What is the real error message are you getting ? Are you passing the credentials ?
Author: gabriel martin

Posted Date: 10 Oct, 11   
Are You sure that the email account and server exists ??
Author: popo4

Posted Date: 12 Oct, 11   
Error message : Failure sending mail (see my first post - there is code too).

Well, it's a GMail, of course server exist and email account is correct too (username and password).

I try with ports 587 and 465 but... always same error.
Author: kamal sahib

Posted Date: 27 Oct, 11   
Hi popo4 i have the same issue it works on localhost but not in my web site. I did everything! did you find a solution ?
Author: popo4

Posted Date: 19 Nov, 11   
it work on localhost, too... but on web site no.

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