Transaction code SO23
X Shared distribution lists
Name : ZXXXX
Title : XXXXX Mail Distribution
Don't enter anything in the Folder field.
Folder : Click the down arrow
Next screen :
Folder Name : ZXXXX
Folder Title : Mailing address
Folder Area : Shared
Click Create Folder
Next screen :
Indexing : Tick
Specify the 'Retention period of a document in this folder (days)'.
Choose the 'Folder access authorization'.
Finish, click the Enter button.
Click the tabstrips 'Distri. list content' to type in your mailing list.
Save your entries.
Finally, test it by sending a mail via the distribution list ZXXXX.