Exchange 2016 unable to upload large attachment

Occasional Contributor

Whenever I try to upload attachment, it always prompt "The following files weren't attached because adding them would cause the message to exceed the maximum size limit of 25 MB: 0520.zip." 

Don_Vlogeer_1-1660201392695.png

 

I also set the maxsendsize and maxreceivesize to 100MB respectively but no luck though. Reset IIS and reboot the server and getting same result too. 

Don_Vlogeer_0-1660201365496.png

Don_Vlogeer_2-1660201446797.png

 

Anything I missing here and couldn't figure it out. 

 

Thank you all. 

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