Error 0x8004210B is commonly referred to as the “SMTP timeout” error. It typically appears when Outlook fails to establish a connection with the mail server within the designated time. This error can prevent you from sending or receiving emails, causing inconvenience, and affecting your productivity.
Quick Ways to fix Microsoft outlook Error code 0x8004210B
vg700152 October 7, 2023Computers
microsoft outlook error code 0x8004210b
https://supportchatgpt.com/fixed-microsoft-outlook-error-code-0x8004210b/