Details: Mail could not be sent. The message has been moved to your Drafts folder.
Error code: -19991
Error: An unknown error has occurred in Outlook.
Error code: -19992
- You cannot send email messages from a distribution list or a security group.
- You cannot use a distribution list or a security group as a delegate.
- Send email messages from a single account instead of from a distribution list or a security group.
- Use single accounts as delegates instead of using distribution lists or security groups as delegates.
Article ID: 2739937 - Last Review: 10 Aug 2015 - Revision: 1