change from domain so email notifications pass through relay after successful upload

Tools.ps1

@@ -241,7 +241,7 @@ Function Upload-File {
     Literal path of one completed file. Also accepts -File or a pipeline path.
     .PARAMETER From
     Optional sender override. Defaults to the computer's fully qualified host
-    name at ek-upload.net (or its host name when no DNS suffix is configured).
+    name at emberkom.com (or its host name when no DNS suffix is configured).
     .PARAMETER ChunkSizeMB
     Maximum upload buffer size in MiB; defaults to 10 regardless of file size.
     .PARAMETER TimeoutSeconds
@@ -285,7 +285,7 @@ Function Upload-File {
             $UploadHostName = "${UploadHostName}.${UploadDnsSuffix}"
         }
         $UploadSender = $From
-        If ( [string]::IsNullOrWhiteSpace($UploadSender) ) { $UploadSender = $UploadHostName.ToLowerInvariant() + '@ek-upload.net' }
+        If ( [string]::IsNullOrWhiteSpace($UploadSender) ) { $UploadSender = $UploadHostName.ToLowerInvariant() + '@emberkom.com' }
         Try { $UploadSender = ([System.Net.Mail.MailAddress]::new($UploadSender)).Address }
         Catch { Throw 'From must be a valid sender email address.' }
         $UploadSubject = $Subject