Exchange Server 2016, Exchange Online (Office 365 Product)
Exchange Online: It is one of the service provided in office 365, exchange online is the cloud based service which is similar to onprem exchange server.
- Office 365 services can be access through subscription plans.
- It is a software as service product where you access the final product through internet from anywhere, you will not maintain any hardware or infrastructure, no software installation and maintenance.
- Microsoft takes reponsibility of data, disaster recovery in office 365 services.
- Microsoft provides business plan upto 300 users and enterprise plan to 50,000+ users in office 365. More details visit https://www.microsoft.com/en-gb/microsoft-365/business/compare-all-microsoft-365-business-products-b
Mailing Infrastructure:
- On premise only (Exchange server 2019, 2016, 2013, 2010, 2007, 2003, 2000 etc)
- Online (Exchange online)
- Hybrid (mix of both on prem + online)
Access exchange online service: Exchange server or Exchange online will not work without Active Directory. Azure AD is connected with exchange online.
- portal.office.com (To get Admin Center panel)
- login.microsoftonline.com
- outlook.office.com/owa (To access outlook in exchange server we use owa)
- mail.stardistributors.onmicrosoft.com (default SMTP address) or mail.stardistributors.co.uk (Need to configure custom domain to remove subdomain "onmicrosoft.com")
Configuring exchange online in Admin Center: