For Send the email to the Share Point Group, follow the below steps. These steps are with the Active Directory settings.
- First of all, create an Organization Unit (OU) in the Active Directory (AD) and delegate Full Control rights to Share Point Service Account (Central Administration Application Pool Account).
- Configure Incoming Email Settings to use Share Point Directory Management Service to create Distribution Groups and Contacts to the Active Directory container (OU).
- Mention the SMTP server name select all the options for Distribution Group Request Approval Settings.
- On the Share Point Site create a new group with Full Control permission.
- Create an Email Distribution Group (type in an email address) for this group.
- In Central Administration > Operations > Approve/Reject Distribution Groups, approve the Distribution Group to be created in the OU.
- Check the OU in the AD and you will find the Distribution List successfully created with the email address (Microsoft Exchange stamps this email address to this Distribution List) assigned to the Share Point Group in the Share Point Site.
- Add some users to the Share Point group and you will find that they synchronized the same in the Distribution List.
- Send an email to the email address assigned to the Share Point group and the emails would be sent to the individual members of the Share Point Group.
Note: Synchronization between Share Point Group and Distribution List in the AD is a one way transaction (Share Point Group to Distribution List and not the other way round). Hence, new users added to the Share Point Groups reflect automatically in the Distribution List however the vice-versa does not work.