Chilkat Examples

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Classic ASP Examples

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(Classic ASP) SMTP over Multiple Hop SSH

Demonstrates how to send email (using TCP or TLS) tunneled through mulitple-hop SSH. The scheme looks like this:

Application => ServerSSH1 => ServerSSH2 => SmtpServer

The ConnectThroughSsh and UseSsh methods are added in Chilkat version 9.5.0.55 to accomplish this task.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set ssh1 = Server.CreateObject("Chilkat_9_5_0.Ssh")

' Connect directly to the 1st SSH server.
success = ssh1.Connect("serverssh1.com",22)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( ssh1.LastErrorText) & "</pre>"
    Response.End
End If

' Authenticate using login/password:
success = ssh1.AuthenticatePw("ssh1Login","ssh1Password")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( ssh1.LastErrorText) & "</pre>"
    Response.End
End If

' Connect through the 1st SSH connection to reach a 2nd SSH server.
' Note: Any number of SSH connections may be simultaneously tunneled through a single
' existing SSH connection.
set ssh2 = Server.CreateObject("Chilkat_9_5_0.Ssh")
success = ssh2.ConnectThroughSsh(ssh1,"serverssh2.com",22)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( ssh2.LastErrorText) & "</pre>"
    Response.End
End If

' Authenticate with ssh2...
success = ssh2.AuthenticatePw("ssh2Login","ssh2Password")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( ssh2.LastErrorText) & "</pre>"
    Response.End
End If

set mailman = Server.CreateObject("Chilkat_9_5_0.MailMan")

' Tell the mailman object to connect to the SMTP server though the ssh2 tunnel (which itself is routed through ssh1).
' The connection looks like this:  Application => ServerSSH1 => ServerSSH2 => SMTPServer
success = mailman.UseSsh(ssh2)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( mailman.LastErrorText) & "</pre>"
    Response.End
End If

' Set the SMTP server.
mailman.SmtpHost = "smtp.someserver.com"

' Set the SMTP login/password (if required)
mailman.SmtpUsername = "myUsername"
mailman.SmtpPassword = "myPassword"

' Create a new email object
set email = Server.CreateObject("Chilkat_9_5_0.Email")

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

success = mailman.SendEmail(email)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( mailman.LastErrorText) & "</pre>"
    Response.End
End If

' Close the connection with the server.  This closes the tunnel through ssh2.
success = mailman.CloseSmtpConnection()
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Connection to SMTP server not closed cleanly.") & "</pre>"
End If

Response.Write "<pre>" & Server.HTMLEncode( "Mail Sent!") & "</pre>"

' Close the connection with ssh2.  (This closes the the tunnel through ssh1.)
' The connection with ssh1 is still alive, and may be used for more connections.
ssh2.Disconnect 

ssh1.Disconnect 

%>
</body>
</html>

 

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