office 365 relay options
DESCRIPTION
Quick sheet to send to application and IT device owners on relaying email traffic to Office 365 and the options that are availableTRANSCRIPT
Office 365 Other Relay Options
With recent changes to Distribution Groups being staged in the Office 365 instead of on premise if your application or devices sends email to distribution groups there is a current need to change your application or devices email configuration for proper mail delivery. The following guide below is for applications or devices needing to send email securely or non-securely to these distribution groups. Emails and attachments that typically contain personal identification information (PII), bank or financial account information, or sensitive information that needs to be relayed securely. Other emails and attachments with non-sensitive information.
Please contact: HelpDesk with any questions or problems with changing your application or device email configuration for SMTP Office email relay.
Option #NameSecureSetupNotes
Option 1Relay to SMTP Client SubmissionYesSimpleMost Secure method and easiest setup, Sending email to an internal relay which then relays to Office 365 TLS encrypted over port 587
Option 2Direct SMTP Client SubmissionYesComplexMost Secure method but your device may not have options for client SMTP Submission, Sending email to Office 365 TLS encrypted over port 587
Option 3Direct SMTP Relay with TLSYesSimpleSomewhat Secure method but does not bypass spam filtering, easy setup but your device may not have an option for TLS, Sending email to office 365 TLS encrypted over port 25
Option 4Direct SMTP RelayNoSimpleunsecure method, and does not bypass spam filtering no email encryption email is being sent plain text over the internet, easiest setup, Sending email to office 365 over port 25
1. Relay to SMTP Client Submission - Secure method Moderate SetupPlease change the following on your application or device, * Please note that fields or setting names may differ from below:
Server for Relay or IP Address: XXXXX.customdomain.com or XX.XX.XX.XXTCP Ports Available: 25 or 587
Once done send an email to HelpDesk. We will need to know the following for further configuration on our end.
The Source Internal IP Address being used by application or device: ex. 10.21.64.52The From Address that is being used: [email protected] or [email protected]
2. Direct SMTP Client Submission - Secure method Moderate SetupPlease change the following on your application or device, * Please note that fields or setting names may differ from below:
Server for Relay or IP Address: smtp.office365.com TCP Ports Available: 587TLS Required: YesUsername: [email protected]: Contact us for detailsOnce done send an email to HelpDesk. We will need to know the following for further configuration on our end.The From Address that is being used: [email protected] or [email protected]
3. Direct SMTP Relay with TLS - Secure method Simple Setup
Server for Relay or IP Address: customdomain.mail.protection.outlook.com or compassgroup-com01i.mail.protection.outlook.comTCP Ports Available: 25TLS Required: Yes4. Direct SMTP Relay - Unsecure method Simple Setup
Server for Relay or IP Address: customdomain.mail.protection.outlook.comTCP Ports Available: 25TLS Required: No