Showing attachments in IBM Lotus Notes
  When chart reports are sent as E-mail attachments,
they may not be shown properly in Lotus Notes®. You can specify that .png
file types be automatically converted to .jpg to avoid this possibility.
 
Procedure
- In IBM Cognos Administration, on the Status tab, click System.
 - From the All Servers drop-down menu, click Services, Delivery.
 - For the drop-down menu next to DeliveryService, click Set properties.
 - Click the Settings tab.
 - Next to Environment, click Edit.
 - Select the Override the settings acquired from the parent entry check box.
 - In the Parameter column, type the parameter name lotus.compatibility.mode.
 - In the Value column, type true.
 - Click OK.
 - In the Set properties page, click OK.
 
