Courses on html and layout of letters

Question

css

Good afternoon,
I would like to send web designers to some basic layout courses so that they can become imbued with the features of drawing for the web and mailing lists in particular. The most suffering area is the layout of letters ... they try to put all their knowledge and skills into it, not knowing about the limitations in implementation. Tell me where in Moscow or online they can get such training or read detailed manuals "for dummies"

Answer 1

Here is something like a manual: www.campaignmonitor.com/css/

Answer 2

Modern website layout has nothing to do with email layout. The layout of letters was repeatedly considered on Habré:

• Layout of mailing lists
• HTML Layout: Think Like a Bug
• Newsletter layout - what do we have?
• Mailing List Layout: Debriefing

Answer 3

HTML email designers need to know...
wowemail.com.ua/help/design-email-template.html

Answer 4

You also say that different people are engaged in the layout of sites and letters, with categorically different skills and tools.
As links, you offer the nuances of postal layout ... I'm looking for an interpretation of the basics, basic principles. The first answer solves the voiced problem much more accurately.