Hi Alex, It means the mail client sending the email is not using the correct SMTP protocol.
The most likely cause is a spam client that is badly configured. Kind Regards, Mark Frater -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Support Sent: 25 October 2012 10:59 AM To: spamdyke users Subject: [spamdyke-users] (no subject) Hello all, I started having a some of these in the log: spamdyke[27559]: FILTER_OTHER response: "503 MAIL first (#5.5.1)" spamdyke[27559]: DENIED_OTHER from: a@****.com to: a@******* origin_ip: 188.138.72.100 origin_rdns: etc. I do not really understand what Mail first means and why spamdyke rejecting the message. Rgds Alex _______________________________________________ spamdyke-users mailing list [email protected] http://www.spamdyke.org/mailman/listinfo/spamdyke-users _______________________________________________ spamdyke-users mailing list [email protected] http://www.spamdyke.org/mailman/listinfo/spamdyke-users
