Ensure MailTips are enabled for end users

Description

MailTips assist end users with identifying strange patterns to emails they send.

How to fix

1. Run Microsoft Exchange Online PowerShell Module
2. Connect using "Connect-ExchangeOnline"
3. Run the following PowerShell command: Set-OrganizationConfig -MailTipsAllTipsEnabled $true -MailTipsExternalRecipientsTipsEnabled $true -MailTipsGroupMetricsEnabled $true -MailTipsLargeAudienceThreshold '25'