Bob Browning's blog

Creating email newsletters that work across multiple email clients is hard work.  The best advice is to pretend you are in 1998 and don’t use any HTML techniques invented after that date.  But if this is not possible use, the simplest possible code that will achieve your desired effect.   This is how bad it is: http://www.campaignmonitor.com/css/.  The worst client of all: Eudora followed closely by Notes.