![office 365 email settings ports office 365 email settings ports](https://help-images.sanebox.com/production/822/original/IMAPSetting.png)
You authenticate as that user and send email as them. This option should be considered first because it is the most secure. The first option requres a mailbox username and password. The three ways you can accomplish this are SMTP Client Submission, Direct Send and SMTP Relay. Step 3: Refer to the Email Client Settings below, and based on your preferences, enter the respective hostnames, port numbers, and encryption methods for the Incoming Mail and Outgoing Mail servers. Configure Email Service SMTP on Fortinet FortiGate with Office 365.
![office 365 email settings ports office 365 email settings ports](https://knowledge.hubspot.com/hs-fs/hubfs/Knowledge_Base_Images/Mobile/iphone-settings-mail.png)
![office 365 email settings ports office 365 email settings ports](https://d33v4339jhl8k0.cloudfront.net/docs/assets/556d88cbe4b027e1978e4558/images/5c6d1f6c2c7d3a66e32eadae/file-ZvF6pDNXBq.png)
Weve tested to make sure someone can login to the account from a browser. Step 2: Select POP or IMAP depending on the Incoming Protocol you prefer. Save documents, spreadsheets, and presentations online, in OneDrive.