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Xbase++

SMTP using HTTP Proxy

Demonstrates how to communicate with an SMTP server via an HTTP proxy.

Chilkat Xbase++ Downloads

Xbase++
LOCAL nSuccess
LOCAL oMailman
LOCAL oEmail

nSuccess := 0

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

//  The mailman object is used for sending and receiving email.
oMailman := CreateObject("Chilkat.MailMan")

//  To connect through an HTTP proxy, set the HttpProxyHostname
//  and HttpProxyPort properties to the hostname (or IP address)
//  and port of the HTTP proxy.  Typical port numbers used by
//  HTTP proxy servers are 3128 and 8080.
oMailman:HttpProxyHostname := "www.my-http-proxy.com"
oMailman:HttpProxyPort := 3128

//  Important:  Your HTTP proxy server must allow non-HTTP
//  traffic to pass.  Otherwise this does not work.

//  Set the SMTP server.
oMailman:SmtpHost := "smtp.chilkatsoft.com"

//  Set the SMTP login/password (if required)
oMailman:SmtpUsername := "myUsername"
oMailman:SmtpPassword := "myPassword"

//  Create a new email object
oEmail := CreateObject("Chilkat.Email")

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

//  Call SendEmail to connect to the SMTP server via the HTTP proxy and send.
//  The connection (i.e. session) to the SMTP server remains
//  open so that subsequent SendEmail calls may use the
//  same connection.  
nSuccess := oMailman:SendEmail(oEmail)
IF (nSuccess != 1)
    ? oMailman:LastErrorText
    oMailman:destroy()
    oEmail:destroy()
    RETURN
ENDIF

//  Some SMTP servers do not actually send the email until 
//  the connection is closed.  In these cases, it is necessary to
//  call CloseSmtpConnection for the mail to be  sent.  
//  Most SMTP servers send the email immediately, and it is 
//  not required to close the connection.  We'll close it here
//  for the example:
nSuccess := oMailman:CloseSmtpConnection()
IF (nSuccess != 1)
    ? "Connection to SMTP server not closed cleanly."
ENDIF

? "Mail Sent!"

oMailman:destroy()
oEmail:destroy()