block 'bulk' outbound mail

Steel Contributor


Is there a way in EXO / O365 to prevent (compromised) accounts sending out 10000 emails? 

1 Reply
Hi Taen

The mailbox will be disabled automatically by Exchange Online if it were to send out a lot of mail in a short amount of time as this is indicative of spam and malicious behaviour.

See article

Hope that answers your question

Best, Chris