What is Distribution List?
A distribution list is a group of email addresses contained in a list with a standard email address. When users send to a distribution list, they send the message to everyone whose address is included in the list. The address line displays the distribution list address; the individual recipient addresses cannot be viewed.
See "Adding Distribution List" After adding a distribution list, you can do
The maximum number of members in a distribution list is 1000 recipients. You can create a nested distribution list if you have more than 1000 members or recipients
There is no limitation to creating a Distribution list; you can add as many as you want