Dear All, 1st of all sorry if my english not that much... In the last few days i notice in the mail log file than some e-mail with blank from as follow Jun 20 15:04:28 mec sendmail[9386]: j5KC4RWf009386: from=<>, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MTA, relay=smtp.global-e.nl [212.241.50.202] Jun 20 15:04:32 mec sendmail[9388]: j5KC4VWf009388: <esperanzanavarro@xxxxxxxxxx>... User unknown Jun 20 15:04:32 mec sendmail[9388]: j5KC4VWf009388: from=<>, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MTA, relay=smtp-8.smtp.ucla.edu [169.232.47.137] can anyone advice what can be done to block or reject e-mails from blank from ?? and is there anyway that the one can scan a redhat box and get the users list on that machine to start sending junk mails to them? is there anyway to block this if it exist? Regards Rush -- This message has been scanned for viruses and dangerous content by MEC E-Mail Scanner, and is believed to be clean. -- www.mec.com.jo -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subjecthttps://www.redhat.com/mailman/listinfo/redhat-list
