We are sorry for the inconvenience caused to you.
We are analyzing the issue and need little more cooperation to identify the issue as given below:
1. Could you please send a plain text MailMessage using Aspose.Email without appointment and observe the behavior at your client end using Lotus Notes? If message body is not displayed, please download the message file and send us for analysis.
2. Send plain text mail message using Outlook or some other mail client to your user and if same problem is observed, send us the received mail.
3. Send appointment using Outlook/other mail client with plain text body and if body is not displayed at user end, send us the files for analysis.
Thanks in advance for your cooperation in this regard.