In your recent release for version 2014 R2.
You state you fixed the following:
Mail: Added missing stream closing in Smtp.Send(string filename) method.
Can you tell me if this would have possibly been causing a memory leak due to open streams in 2014 R1?
Not really. As soon as the .NET's garbage collector performs a collection of unused objects, the stream is closed and all its resources are freed.
If you were experiencing memory leaks in 2014 R1, please let us know.
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