Hello I regulary receive emails sent to Undisclosed.Recipients@@mydomain.com and would like to block this abuse from source. Could someone help with a way of stopping spammers using this abuse of our mail server? I already have created a modified sendmail.cf with filtering via ordb.org....
Thanks Jon _______________________________________________ cobalt-security mailing list [EMAIL PROTECTED] http://list.cobalt.com/mailman/listinfo/cobalt-security
