"How does this look in Outlook/eM Client/Exchange/Google (sometimes)" comes up *often* in our design discussions especially for things like terminology. So hopefully there should already be a lot of cross over in that regard but we overall have a design that we like to stick to across sysadmin <--> users and even at times our other products. From cards, tables, warning messages in card, the color and order of buttons in all the dialogs, etc we try to be very consistent.
For example we did this cross-referencing when we were implementing the delay/schedule message sending, which should be coming down the pipeline very soon.
Matt Petty
Senior Software Developer
SmarterTools Inc.
www.smartertools.com