When I send mail use smtpmail get error: Mailbox unavailable.(asp.net 2.0)

  • Thread starter Thread starter mmnenator
  • Start date Start date
This generally means that the mail destination is not able to accept email.
Post your code and we can see if there are other issues.
 
My code :
Dim smtpmail As New Net.Mail.SmtpClient("127.0.0.1")
Dim msg As New Net.Mail.MailMessage()
msg.From = New Net.Mail.MailAddress("(e-mail address removed)")
msg.To.Add("(e-mail address removed)")
msg.Subject = "this is a test"
msg.Body = "this is mail body ,thanks !"
smtpmail.Send(msg)
 
Are you using a smart host on your local SMTP server? Is so, does it allow
relaying?

I noticed that your domain uses cox.net for mailing. Do you know if you
have the ability to go through port 25 on cox.net?
 

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