SINCE VERSION 220.127.116.11
Distribution lists are named groups of email recipients of any kind.
To see distribution lists, go OUTGOING EMAILS --> Distribution Lists.
For further details click the name of the distribution list. To edit or delete one, click the three dots next to the name of a list and choose Edit or Delete.
1. To add a new list, click Add.
2. Name your list, optionally add a description, and choose recipients from the Email recipients drop-down list, or enter addresses on your own then click Save.
Result: Once a Distribution List is created, it can be chosen as recipient on the email screen while sending a manual email.