How can I do the office 365 SMTP settings? Here is the most simple procedure for the Office 365 SMTP settings Server Address: smtp.office365.com. Username: Your Office 365 Address (e.g. example@yourdomain.com) Password: Your Office 365 Password. Port Number: 587 (With TLS) Authentication: Required. Sending Limits: 10,000 Emails a day. We have the best team who can help to fix all the related issues. https://www.emailsupport.us/blog/office-365-smtp-settings/