Open and check if the issue has resolved or not, if it is resolve then you are set to use it out. But if not then you should go and jump on to the next methods. When you are done, reboot your computer and reinstall Microsoft Outlook.
That too at the time of sending an important official mail. Hereafter don’t be worried of this error message . Because I am taking you through some of the methods that can be followed to repair this error. This fix only applies if you have added multiple e-mail accounts to your Microsoft Outlook. The error message can appear as a result of conflicts in the SMPT server. Try removing all accounts and then add your own again.
Ordinarily, the blunder code happens in Microsoft Outlook. You can discover all the more additional data on this further. Using the old version of outlook software on your desktop. If the problem is the issue of this view, you need to uninstall and update the browsed edition. If you still face the problems of mistake, get directions to Microsoft.
And also check this server requires a secure connection. Once you uninstall Microsoft Office, you need to reinstall it on your personal computer. Install Microsoft Office and try running Microsoft Outlook. If you do not face the error again while sending a message, you are good to go.
Close many accounts or windows when you are using them. Now change the port number (S.M.P.T.) from 465 to 587 and Click OK. Clear all the working functions within the background. In case you are using pirated version of Microsoft, this might be causing error.