@kumar314
Hate to pop your bubble in this but that is not the answer.
I did some testing using my personal Gmail account and found the reason why you are getting the 3 dots to open more content.
I tested this using my Contact Form 7 sending it to my personal Gmail box using the same settings as yours, keeping the 2 dashes under the Mail tab settings, the ones you think have a bearing on this.
Here is a screenshot of my Gmail inbox, and I will explain,
https://prnt.sc/lx3mk1
Notice the inbox, there are 4 horizontal sections with the words “FWD Contact Form:”, and all the names they are from are different (all fake).
The top section shows the email with the red arrows, this section is different from the ones below.
It has a yellow flag and there is a number “3” beside “Page Y”. This one is saying there are 3 conversations or emails that have been grouped together by Gmail, yet the ones below are not grouped with it and they are from the same contact form?
Why did Gmail group those 3 emails and not the rest?
Gmail algorithms recognize patterns and only when a certain repeated pattern occurs, Gmail then group emails into conversations. So when I sent the previous 3 emails, there was no grouping, but when the 4th, 5th and 6th were sent from the same email address of the website, Gmail grouped them.
To stop the grouping, use the Settings of Gmail to turn off grouping.
Now that is established, see the next screenshot;
https://prnt.sc/lx3trm
This was one of the ungrouped messages from the same website contact form. Notice there are no 3 dots, only the 2 dashes that are found in the Mail tab settings.
Next screenshot;
https://prnt.sc/lx3w5p
This is the grouped emails opened, to show the list of the group. Of that group, the last one is opened to show the message and, voila, the 3 dots near the bottom. I hovered my cursor over the 3 dots when taking the screenshot and the label for the 3 dots says “Show trimmed content”
Why did Google Gmail now add the 3 dots which hides more content?
Reason is Gmail is condensing the screen view. What Gmail is doing is condensing extra content and uses the 3 dots to signify more content you can click to view, which is the same as a jQuery Accordion.
Note: I have not removed or changed the Mail tab settings in Contact Form 7, the 2 dashes were left as is.
What this all shows
Per the screenshots, when the email message is not grouped, the message is readable in its entirety without any trimming and no 3 dots because Gmail has not grouped the emails.
When email message(s) are grouped, then Gmail trims content and you get the 3 dots.
Does Gmail trim content in other conditions? – I would say, likely Yes.
Are the 3 dots for trimmed content purely a Gmail feature and setting? – definitely Yes and has nothing to do with Contact Form 7 settings has I have shown.
Did the 2 dashes in the Contact Form 7 “Mail tab” have a bearing on grouping and trimming content by Gmail? – NO, and why?
The 2 dashes are just text, basic ASCII text and nothing more, they have no affect on Gmail other than become part of the text content that may or may not be hidden (trimmed) under the 3 dots.
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This reply was modified 5 years, 11 months ago by mwarbinek. Reason: fixed grammar