One-liner

Run this one-liner on each front-end Web server in the farm, as the settings on each of them may vary.

$s = [Microsoft.SharePoint.Administration.SPServer]::Local; $si = $s.ServiceInstances | where { $_.TypeName -eq "Microsoft SharePoint Foundation Incoming E-Mail" }; $si.ServerDropFolder

Feedback

Let me know if this helps!

Bitnami