Office 365 SMTP Improvements

Microsoft have made some improvements over SMTP for Office 365 customers

Please read the support article below for further information on this

Microsoft Support Article

Office 365/2016 Recent Update

A recent update to Office 365/2016 may cause issues setting up your hosted exchange mailbox, this is due to way autodiscovery now works in this version, please follow our step by step guide to resolve this issue here

Office 365 Connected Accounts

Microsoft has removed the ability to add new accounts to Outlook on the web using the Connected accounts feature on September 15, 2018 and will stop syncing existing accounts on October 30, 2018.

Please read the support article below for further information on this

Microsoft Support Article