TransportConfig's MaxSendSize/Unlimited value was not apply to Outlook web App

Senior Member



If you set MaxSendSize to Unlimited in TransportConfig in an Exchange Server 2016 environment, the setting value is not applied in OWA and you will get an error that you were limited to 5 MB when attaching a file.
If you have a Microsoft Article or related material about this phenomenon, please share your thoughts or comments.
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