Fix Outlook Error 0x80042109? Try These Useful Methods!
It is not hard to fix. it’s possible for you to refer to this post offered byMiniTool Solutionto get some useful methods. When you attempt to send Outgoing emails with various versions of Outlook, you may encounter the error 0x80042109. If you continue to receive this message, contact your server administrator or Internet service provider (ISP). Whats causing the Outlook warning pop-up 0x80042109? Here are some possible reasons: Incorrect SMTP prefs, 3rd party firewall interference or add-in interference....