Search and filter across all detection sources
16 rules
sendmail: Multiple pre-greetings rejects.
sendmail: Multiple relaying attempts of spam.
mailscanner: Multiple attempts of spam.
sendmail: Multiple rejected e-mails from same source ip.
ms-exchange: Multiple e-mail 500 error code (spam).
sendmail: Multiple attempts to send e-mail from,invalid/unknown sender.
ms-exchange: Multiple e-mail attempts to an invalid account.
sendmail: Multiple attempts to send e-mail,from invalid/unknown sender domain.
sendmail: Multiple attempts to send e-mail from a,previously rejected sender (access).
Postfix: Multiple relaying attempts of spam.
sendmail: Sender domain has bogus MX record.,It should not be sending e-mail.
Postfix: Multiple misuse of SMTP service,(bad sequence of commands).
Postfix: Multiple attempts to send e-mail from a,rejected sender IP (access).
Postfix: Multiple attempts to send e-mail from,invalid/unknown sender domain.
Postfix: Multiple attempts to send e-mail from,black-listed IP address (blocked).
Postfix: Multiple attempts to send e-mail to,invalid recipient or from unknown sender domain.