How to setup Office365 SMTP?

Please follow the instructions in this guide to setup SMTP on your form: How-to-Setup-SMTP-for-a-Form (including office 365 SMTP too).

Here is another guide that could be useful while setting this up: https://support.microsoft.com/en-us/office/pop-and-imap-email-settings-for-outlook-8361e398-8af4-4e97-b147-6c6c4ac95353