Basic SMTP settings all clients

Generic SMTP settings shared IP and dedicated IP

SMTP shared IP server: mail.mysmtp.com
mySMTP dedicated IP server: relay1.mysmtp.com (sample - the host name will be in the setup email)
SMTP port: 2525, 25 or primary 587

Turn on SMTP authentication and enter your account’s SMTP username and SMTP password.
For TLS 1.2 choose AUTO or STARTTLS