A recent increase in email spoofing false positives causing legitimate email to go to Outlook junk folders can be explained by a change in Office 365 Advanced Threat Protection.
A walk-through of configuring Exchange Online Protection to prevent malware and email spam in an Office 365 tenant.
Are Sender Policy Framework (SPF) records in DNS necessary for domains these days?
In this episode of the Exchange Server Pro Podcast my guests Brian Reid and Michael Van Horenbeeck discuss Exchange Online Protection vs 3rd party antispam.
Sender Policy Framework (SPF) allows email administrators to reduce email spoofing of their domain by implementing special DNS records.