How to disable NTLM authentication

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  • How to disable NTLM email authentication.

How to disable NTLM authentication.

NTLM was typically configured in your personal computers' email program, look at your EscapeNet mailbox '@esc.net.au' email account.

Commonly Affected Email Clients

These are the most commonly affected email clients where NTLM may be enabled. We recommend updating your application or using a more modern (and secure) email application. All personal computers come with a free included email client, for example Windows Mail, Mac Mail, or you can download the free multi-platform Mozilla Thunderbird email app.

  • Mozilla Thunderbird
  • Windows Mail in Windows Vista and Windows 7 (Depreciated April 11, 2017)
  • Windows 8 Mail App (Depreciated January 12, 2016)
  • Windows 10 Mail App (Replaced by Windows 11 Mail & Calendar App, Windows 10 scheduled for depreciation 14/10/2025)
  • Outlook 2003 and Earlier(Depreciated 08/04/2014)
  • Outlook 2007 (Depreciated 10/10/2017)
  • Outlook 2010 (Depreciated 13/10/2020)
  • Outlook 2013 (Depreciated 11/04/2023)
  • eM Client

Apple IOS, MacOS and Versions of Microsoft Outlook and Mail from 2016 onwards should have NTLM disabled by default.