Maximum file size to send using email smart service

Hi all,

I have used the "Send E-Mail" smart service to send emails with attachments in my process model.  I got the error "Failed to send Email" in a process that errored out at the node "Send Email".  When I analyzed the file size I found that one of my attachments had a file size of approximately 61 MB.  What is the maximum file size allowed in Appian "Send E-Mail" smart service for attachments?

Thanks in advance.

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