ESM OUTPUT FILTERING CONNECTOR
To route traffic to our platforms, you need to set up a connector that directs traffic to our relays.
recommended MX record-based filtering configuration.
Note: This applies to domains using the recommended MX record-based filtering configuration.
Go to www.office.com, click on Login
Once logged in, go to Admin, then by selecting ...Show all, choose Exchange, then mail flow
In the connectors tab: Create (+) a connector From: Office365 To: Partner organization, then Next.
Give it a name: ESM output filtering
Then click on Next, enter * (click on the + to add) then tick 'Only when mail is sent to these domains' then click on Next.
Routing :
Then select 'Route mail via these active hosts' and add (+) smtp.security-mail.net, click on the + to Save.
Security restrictions :
Click Next, then check 'Always use TLS protocol', then the 'Issued by a trusted Certification Authority (CA)' option, then Next and confirm with Next.
Validation mail :
You now need to validate the connector by adding (+) an address support@secuserve.com or an address from your domain, and confirm with OK. A message appears, informing you that a test mail has been sent.
NOTE: If you encounter an error message during validation, bypass this step by clicking on Start without validation (image 2), otherwise repeat the validation.
Start without validation (image 2) :
You must also authorize our IPs in your Microsoft tenant by continuing the article below e-securemail IP whitelisting procedure
Check authorizations per IP address in Microsoft 365 :
In order to bypass SPF checks, we strongly recommend that you enter our IP range in Microsoft 365. For the procedure, please consult the following manual: