13.10.2021 · In Exchange Online organizations or standalone Exchange Online Protection (EOP) organizations without Exchange Online mailboxes, messages with harmful attachments are blocked by anti-malware policies, including messages with executable attachments. For more information, see Anti-malware protection in EOP.
30.08.2021 · For additional examples showing how to block specific attachments by using mail flow rules, see Use mail flow rules to inspect message attachments in Exchange Online. Anti-malware polices EOP allow you to block specific file types …
If you one or more users and you want to BLOCK those users from sending ANY email ... Exchange Admin > Mail Flow > Rules > Add > Filter Message By Size.
Aug 30, 2021 · For additional examples showing how to block specific attachments by using mail flow rules, see Use mail flow rules to inspect message attachments in Exchange Online. Anti-malware polices EOP allow you to block specific file types by turning on and configuring the common attachment types filter.
Oct 13, 2021 · In Exchange Online organizations or standalone Exchange Online Protection (EOP) organizations without Exchange Online mailboxes, messages with harmful attachments are blocked by anti-malware policies, including messages with executable attachments. For more information, see Anti-malware protection in EOP.
Dec 08, 2021 · The malware filter includes a Common Attachment Types Filter. In the Exchange admin center (EAC), go to Protection, then click New to add filters. To get started implementing any of these scenarios to block certain message types: Sign in to the Exchange admin center. Go to Mail flow > Rules. Click New and then select Create a new rule.