Using SmtpSendRawCommand to Change Password

Demonstrates how to use the SmtpSendRawCommand method to change the SMTP user account's password for an SMTP server that supports the non-standard CPWD command.

Note: The SmtpSendRawCommand method is not yet released. To get a pre-release, send email to support@chilkatsoft.com.

Downloads for Windows/Linux and Install Instructions

require 'rubygems'
require 'chilkat'

#  The mailman object is used for sending and receiving email.
mailman = Chilkat::CkMailMan.new()

#  Any string argument automatically begins the 30-day trial.
success = mailman.UnlockComponent("30-day trial")
if (success != true)
    print mailman.lastErrorText() + "\n";
    exit
end

#  Set the SMTP server.
mailman.put_SmtpHost("smtp.chilkatsoft.com")

#  Set the SMTP login/password (if required)
mailman.put_SmtpUsername("myUsername")
mailman.put_SmtpPassword("myPassword")

#  Connect and authenticate:
success = mailman.OpenSmtpConnection()
if (success != true)
    print mailman.lastErrorText() + "\n";
    exit
end

strCharset = "ansi"

#  Send the CPWD command and get the response.
#  Do not include a trailing CRLF (carriage-return line-feed) in the command string.

bEncodeBase64 = false
strResponse = mailman.smtpSendRawCommand("CPWD",strCharset,bEncodeBase64)
if (strResponse == nil )
    print mailman.lastErrorText() + "\n";
    exit
end

#  Expecting a 334 response...
if (mailman.get_LastSmtpStatus() != 334)
    print strResponse + "\n";
    exit
end

#  Now send the existing login/password, base64-encoded:
bEncodeBase64 = true

#  Send the existing login:
strResponse = mailman.smtpSendRawCommand("mySmtpLogin",strCharset,bEncodeBase64)
if (strResponse == nil )
    print mailman.lastErrorText() + "\n";
    exit
end

#  Expecting a 334 response...
if (mailman.get_LastSmtpStatus() != 334)
    print strResponse + "\n";
    exit
end

#  Send the existing password:
strResponse = mailman.smtpSendRawCommand("mySmtpPassword",strCharset,bEncodeBase64)
if (strResponse == nil )
    print mailman.lastErrorText() + "\n";
    exit
end

#  Expecting a 334 response...
if (mailman.get_LastSmtpStatus() != 334)
    print strResponse + "\n";
    exit
end

#  Send the new password:
strResponse = mailman.smtpSendRawCommand("myNewSmtpPassword",strCharset,bEncodeBase64)
if (strResponse == nil )
    print mailman.lastErrorText() + "\n";
    exit
end

#  Expecting a 250 response...
if (mailman.get_LastSmtpStatus() != 250)
    print strResponse + "\n";
    exit
end

print "SMTP password changed!" + "\n"

success = mailman.CloseSmtpConnection()
if (success != true)
    print "Connection to SMTP server not closed cleanly." + "\n"
end