To distribute applications that use reports with custom paper size you have to create custom printer forms on every destination PC that runs Windows 2000 or later. The MS KB article Q157172
explains how it can be done manually. However there's a way to do that programmatically using Windows API.
The comment/uncomment items on the Format menu do not have shortcut keys but they have access keys assigned. Pressing ALT+om and ALT+on on a keyboard will comment/uncomment selected text respectively.
Gmail SMTP server requires SSL connection on port 465.
CDO 2000 constants and enumerations
It's simple and convenient to send unattended email with CDO 2000 as long as there's a SMTP server available.