[Freeswitch-users] Email fails due to FROM not set as needed

Email from FreeSwitch does not work because the relay server does not recognize the FROM: 1000@1.2.3.4 address. The Postfix log shows the FS email going out but rejected due to a bad FROM address. I could not find anything on this so does anyone know how to get FS to use a preset FROM email address? I have Postfix (Sendmail look alike) running and tested. FreeSwitch is set to handle emails in switch.conf, and the correct parms are in the user settings. I need to control the FROM address FS uses. Thanks. Mario