The EDRM DupeID project requires that if an email has multiple “Message-ID” headers, only the first one should be used.
Some experiments indicate that Aspose.Email (.NET) makes only the last value available, and there d…...return the 2nd value: using var msg = MailMessage.Load(“My Gmail...var val1 = msg.Headers[“Message-ID”]; var val2 = msg.Headers.G...