Outlook: Your Server Does Not Support the Connection Encryption Type
In legacy Windows versions (Windows 7/XP or Windows Server 2008R2/2003) with Outlook 2010/2013/2016/2019, you may see the following error when trying to connect to a mail server:
0x800CCC1A – Your server does not support the connection encryption type you have specified. Try changing encryption method. Contact your mail server administrator or Internet service provider (ISP).
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