<html><head><style type='text/css'>p { margin: 0; }</style><style type='text/css'>body { font-family: 'Times New Roman'; font-size: 12pt; color: #000000}</style></head><body><axisml@gmail.com>Typically, in your /etc/mail/sendmail.mc or /etc/mail/sendmail.cf file - or<br>if you are using a split queue, could be in /etc/mail/sendmail_in.mc or<br>/etc/mail/sendmail_in.cf. For example, from my /etc/mail/sendmail_in.mc file:<br><br>FEATURE(`enhdnsbl', `cbl.abuseat.org',`"Rejected: " $&{client_addr} "<br>blocked by RBL - see http://cbl.abuseat.org/lookup.cgi?ip=" $&{client_addr}<br>"&.submit=Lookup."')dnl<br><br>Clarification... <br><br><br>Mailscanner on the mail server is marking everything as spam, indicating private IPs are listed in an RBL.<br><br><br><br></axisml@gmail.com></body></html>