^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: (NOQUEUE|[0-9A-F]{7,8}): reject: RCPT from .+\[[0-9.]{7,15}\]: 450 <.+>: Recipient address rejected: Greylisted for [0-9]+ seconds; from=<.*> to=<.+> proto=E?SMTP helo=<.+>$
