I know Lotus Notes Traveler isn´t out... but when I read this here:
The Lotus Notes Traveler client does not support e-mail encryption.
I think this product isn´t usefull for some companys which I work for (they use the Lotus Notes own eMail encryption)... ...
If you have a Traveler server in your environment, on your mail servers, the Traveler server is constantly opening and closing sessions while reading/polling mail files. On a heavily used Traveler server, this can create tens of thousands of "Opened session for Traveler/Org" and "Closed session for Traveler/Org" every day ...