Error: 'Unknown error' when emailing documents using webmail and 2-step authentication
Description

This error can also appear:

'Error with the address (example@email.com). Unknown error check windows event log for more details.'

To resolve the error and email your documents, you can amend the settings in each service.

Microsoft and Google authentication changes

If you use SMTP and Microsoft or Google are your email providers, you need to change your settings to use Microsoft Outlook. See changes to SMTP email authentication affecting Sage software


Select your email provider for the steps to resolve this error.