Contoso Legal LLP
contoso.onmicrosoft.com
Rules that skip spam filtering
0
Mail flow rules turned on
Rules sending mail outside
0
Redirect or copy to outside addresses
Allowed sender domains
0
Skip spam filtering by name alone
Preset protection
Standard
Standard for everyone
Connectors
2
Incoming and outgoing
Not checked
Safe Links and Safe Attachments need Defender for Office 365, which this client doesn't have.
Needs attention 0
Nothing needs attention in the rules, connectors and policies read.
Exchange's mail flow (transport) rules, in the order they run. Rules testing without acting (test mode) show as Testing.
| Rule | On | Priority | If | Then | Except if | Last changed |
|---|---|---|---|---|---|---|
| Tag mail from outside | Yes | 0 | From outside the organisation | Adds “[EXTERNAL]” to the subject | 18 Aug 2025 |
How mail reaches Microsoft 365 and leaves it other than directly: through a filtering service, a partner, or servers on the premises.
| Connector | Direction | On | Domains | Servers | Encryption | Last changed |
|---|---|---|---|---|---|---|
| From mail filtering service | Incoming | Yes | Any domain | 198.51.100.20, 198.51.100.21 | Required | 30 May 2025 |
| To mail filtering service | Outgoing | Yes | Any domain | relay.mailfilter.example | TLS with a certificate for the domain | 30 May 2025 |
The default policy of each kind applies to everyone no other policy covers. A preset (Standard or Strict) overrides the policies below for the people it covers.
| Policy | Kind | Applies to | Preset | Settings | Last changed |
|---|---|---|---|---|---|
| Default | Anti-spam | Everyone no other policy covers | Spam: Junk folder, High confidence spam: Quarantine + 4 more
| 27 Sep 2025 | |
| Office365 AntiPhish Default | Anti-phishing | Everyone no other policy covers | Spoof intelligence: on, Honours DMARC: on, Unauthenticated sender mark: on | 27 Sep 2025 | |
| Default | Anti-malware | Everyone no other policy covers | Common attachments filter: on (12 file types), Removes malware after delivery: on | 27 Sep 2025 |
Data from Mail rules and protection (), Mailboxes ().