In simple download messages program return a System.OutOfMemory. Messeges have large attachments (~20 MB). Maksimum program size in RAM memory is ~200 MB.
Example:
message.Download(MessageFetchMode.Basic);
message.Attachments[0].Download();
message.Attachments[0].Save(filepath, filename);
message = null;
Example:
message.Download(MessageFetchMode.Basic);
message.Attachments[0].Download();
message.Attachments[0].Save(filepath, filename);
message = null;