Inxmail Professional

Global Settings > Administration

> Mail Server > Sending Emails

Mail account settings

Name: rsxxx.realsender.com

SMTP mail server: rsxxx.realsender.com - Port: 25

Max. connections: 3

[x] Authentication
User name: (the one we sent you)
Password: (the one we sent you)

[x] Activate TLS, if possible

[Save]

[Activate connection to the mail server account]