MailTips is helping you to avoid mistakes or be aware of where email goes or just adding a warning before sending the email.
My boss, SMTP address is [email protected], if you be mistake type “[email protected]it.co.il” you will receive MailTips message that means this recipient CEO or CIO or another way you can set it that this mailbox is external recipient and not internal, This is one of the mail tips abilities or take it to another way of if you try to reply to HR distribution list you get TIP of this recipient is contains 1000 recipients so
In short words, mail tips are very necessary.
How can we enable it?
First of all, we have to connect to our Office 365 environment using Powershell:
You can review my article which explains to you how to connect to Office 365:
$UserCredential = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
Once you are connected you have to run the followings:
Set-OrganizationRelationship -id “XXX” -MailTipsAccessEnabled $True -MailTipsAccessLevel all
You can also create specify mail tips for specific Mailbox, for example:
Set-Mailbox “[email protected]” -MailTip “System Administrator”