(VB.NET) GMail SMTP port 587 with "less secure" Password Authentication

Send email using GMail's SMTP server on port 587 (SSL via STARTTLS).

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim mailman As New Chilkat.MailMan
Dim success As Boolean

' Use the GMail SMTP server
' This example assumes your GMail account allows for "less secure apps" to use 
' SMTP username/password authentication.
' For OAuth2 authentication, see GMail SMTP with OAuth2 Authentication
mailman.SmtpHost = "smtp.gmail.com"
mailman.SmtpPort = 587
mailman.StartTLS = True

' Set the SMTP login/password.
mailman.SmtpUsername = "chilkat.support"
mailman.SmtpPassword = "myPassword"

' Create a new email object
Dim email As New Chilkat.Email

email.Subject = "This is a test"
email.Body = "This is a test"
email.From = "Chilkat Support <chilkat.support@gmail.com>"
email.AddTo("Chilkat","support@chilkatsoft.com")

success = mailman.SendEmail(email)
If (success <> True) Then
    Debug.WriteLine(mailman.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("Email sent.")