I can see you can mail. My website mail service not working.
Through SMPT via Mailgun getting fatal error's (working on Feedback and Anyone answer's)
How can I exactly set like you. For sending mails without issues.
Usually if you buy "managed" hosting it comes with email. So you host should be able to give you the correct details needed for sending email.
Otherwise see this answer for some more tips.
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April 20, 2021: Q2A 1.8.6 released!