Question : 550 Relaying Denied message when trying to send email fom Outlook from Sendmail server

I can receive my email in my account when I connect to my Sendmail Server with Outlook.
When I attempt to send mail from Outlook connected to my Senmail server I get a Message:
550 5.7.1 Relaying denied
Can anyone help me configure Sendmail on my Rd Hat Linux es server to alowing relaying.

Thank you in advance
Keith Henriques

Answer : 550 Relaying Denied message when trying to send email fom Outlook from Sendmail server

Iif smpt-relay.pbi.net is the mx record for your domain, that's not what you're looking for.  You want to use the SBC outgoing SMTP mail server - I'd ask them what the appropriate server is for your account.