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osTicket v1.10 (stable) and Maintenance Release v1.9.15 are now available! Go get it now

SMTP configuration error

I am unable to configure the SMTP email configuration as it is give the below message 
Failed to connect to [SMTP: Failed to connect socket: No connection could be made because the target machine actively refused it. (code: -1, response: )]
Following are the system details 
Email configured SMTP (Office 365)
  • Mail Fetching/Receiving: IMAP but disabled
  • PHP version: 5.6.20
  • Operating System: Windows Server 2012 R2


  • "No connection could be made because the target machine actively refused it."

    Your webserver is not allowed to communicate with the email server. (or there is a firewall preventing the connection).
  • Hi Ntozier,

    Thank you. I have got it all checked and there is not service block from the service provider. 

    Warm Regards,
  • The error is from the server, not osTicket, so either osTicket is trying to access something unknown or the server has something that doesn't allow the communication.
  • Hey Buck,

    This error has never been resolved too since a few versions back if i remember correctly and it still exists in my latest v1.9 install.

    If you have any workable fix, do let us know.

  • My only other recomendation would be to try PHP 5.5.x as some people have reported issues with 5.6.x
  • edited June 2016
    I really dont think that I like the idea that I have to log into google drive to see this file. Sorry but not going to open that link. You should post the file to the forums.
  • edited June 2016
    Sorry, this worked?
  • edited June 2016

  • You may want to consider some documentation of what you expect people to do with this... since it appears to be a mail script written for PHP4 in 2003 and last updated in 2011.
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