Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,771 questions
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Need to send and receive emails to clients using internal applications that would exceed the hard limits set up by Microsoft O365 environment. Please advise if this is possible, or alternative methods while still retaining O365 environment for emails.
You cannot, Exchange Online is a shared service after all, so there are certain limits that cannot be exceeded. Use a third-party tool that specializes in mail campaigns, or spin up an SMTP relay server and use it instead.