hi all I'm running red hat 9 sendmail and all local mail was ok. But I can't send and receive another domain . is that concerning with our ISP or mail forwarding ? I don't know where was wrong . Let's me know your instructions. Thanks in advance NYI NYI MMG Technologies -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list