Information
MailTips assist end users with identifying strange patterns to emails they send
Rationale:
Setting up MailTips gives a visual aid to users when they send emails to large groups of recipients or send emails to recipients not within the tenant.
NOTE: Nessus has not performed this check. Please review the benchmark to ensure target compliance.
Solution
To enable MailTips, use the Exchange Online PowerShell Module:
Run Microsoft Exchange Online PowerShell Module
Connect using Connect-ExchangeOnline.
Run the following PowerShell command:
Set-OrganizationConfig -MailTipsAllTipsEnabled $true -MailTipsExternalRecipientsTipsEnabled $true -MailTipsGroupMetricsEnabled $true -MailTipsLargeAudienceThreshold '25'
Default Value:
MailTipsAllTipsEnabled: True MailTipsExternalRecipientsTipsEnabled: False MailTipsGroupMetricsEnabled: True MailTipsLargeAudienceThreshold: 25