Have you already seen the video on Major and minor scale patterns from the previous email?
That is the foundation to find chords from melody notes: Finding two notes from a phrase, adding a third to get a major and minor. Naturally later you can extend it to get more chord forms as you wish…

Here is more on identifying ANY chords on the guitar, without depending on others or chord diagramns. Build chords on your own…

After you have watched this video, If you are interested in more in depth and complete guides to Chords, Chord finding, playing etc…

Get the guide and resource that will take you to ultimate level of freedom and mastery with chord finding for ANY SONG, names and patterns on guitar or otherwise, without wasting time, energy and money on repetitive, inefficient rote learning methods, but instead by using absolutely logical step by step formulae and chord building methods used by masters to unlock Chord Playing Independence and Fluency.