Email Settings Not Working

Hello,

My Gmail email settings are not working. The screenshot is attached. Please advise:

this has been discussed many times on the forum. please search as solutions have been given. also, the relevant guides are also updated.

See Email transactions and reports in particular the Google Gmail referenced guide.
Failing that you will need to provide the information described in Troubleshoot email issues

PS
For reference searching for email in your web browser or the seach box in the guide index page is probable the fastest way of getting this information