You are currently offline, waiting for your internet to reconnect

Error using Outlook for Mac to send email from security groups or distribution lists

Symptoms
When you try to send email messages from a distribution list or a security group, Microsoft Outlook 2016 for Mac or Outlook for Mac 2011 times out, and you receive one of the following error message:
Error: An unknown error has occurred in Outlook.
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

Cause
Outlook for Mac has the following limitations:
  • 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.
Workaround
To work around these limitations, take the following actions: 
  • 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.


Properties

Article ID: 2739937 - Last Review: 08/10/2015 06:26:00 - Revision: 3.0

Microsoft Outlook 2016 for Mac, Outlook for Mac for Office 365, Microsoft Outlook for Mac 2011

  • KB2739937
Feedback
ody>m/c.gif?DI=4050&did=1&t=">