Gmail wraps certain HTML elements in a class called im

Question

I have been testing out an HTML e-mail process I\'ve created recently. But as of lately, when I open the e-mail in Gmail, I\'m noticing that certain elements are wrapped in a c

Answer 1

I had similar problems. I was sending emails from an application using templates. So, when I sent multiple emails to same address, lines that are exactly same in all of them got purple. Gmail added this tag automatically:

.........

I do not know that for a fact, seemed to me Gmail wraps the common texts in a conversation with the this tag. Similar discussion here.