Need a domain to provide positive reply.
My domain "tbint.us.org". I have a wildcard cert *.tbint.us.org, tbint.us.org
host: smtp.tbint.us.org
port: 587 using tls
username: full email address
host: pop.tbint.us.org
port: 995 secure ssl
username: full email address
I changed the MX record...