^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: [[:upper:]0-9]+: reject: RCPT from [^[:space:]]+: [45][0-9][0-9] [0-9]\.[0-9]\.[0-9] <[^[:space:]]+>: (Sender|Recipient) address rejected: .+; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: [[:upper:]0-9]+: reject: RCPT from [^[:space:]]+: [45][0-9][0-9] [0-9]\.[0-9]\.[0-9] <[^[:space:]]+>: Helo command rejected: .+; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: [[:upper:]0-9]+: reject: RCPT from [^[:space:]]+: [45][0-9][0-9] [0-9]\.[0-9]\.[0-9] Service unavailable; Sender address \[[^[:space:]]+\] blocked using [._[:alnum:]-]+; .*; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: [[:upper:]0-9]+: reject: RCPT from [^[:space:]]+: [45][0-9][0-9] [0-9]\.[0-9]\.[0-9] Service unavailable; Client host \[[0-9.]{7,15}\] blocked using [._[:alnum:]-]+;( .*;)? from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: [[:upper:]0-9]+: reject: RCPT from [^[:space:]]+\[[0-9.]{7,14}\]: [45][0-9][0-9] [0-9]\.[0-9]\.[0-9] <.+>: User unknown in local recipient table; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtp\[[0-9]+\]: [[:upper:]0-9]+: host [^[:space:]]+ said: [45][0-9][0-9] [0-9]\.[0-9]\.[0-9] .* \(in reply to (HELO|EHLO|MAIL FROM|RCPT TO|end of DATA) command\)$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtp\[[0-9]+\]: [[:upper:]0-9]+: to=<[^[:space:]]+>, relay=[._[:alnum:]-]+\[[0-9.]{7,15}\], delay=[0-9]+, status=(deferred|bounced) \(host [._[:alnum:]-]+\[[0-9.]{7,15}\] said: [45][0-9][0-9] [0-9]\.[0-9]\.[0-9] .* \(in reply to (HELO|EHLO|MAIL FROM|RCPT TO|end of DATA) command\)\)$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: NOQUEUE: reject: RCPT from [^[:space:]]+ 554 [0-9\.]+ <[^[:space:]]+>: Relay access denied; .*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: NOQUEUE: reject: RCPT from [^[:space:]]+: [45][0-9][0-9] [0-9]\.[0-9]\.[0-9] <[^[:space:]]+>: (Sender|Recipient) address rejected: .+; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: NOQUEUE: reject: RCPT from [^[:space:]]+ 554 [0-9.]+ <[^[:space:]]+>: Client host rejected: match compound blacklist; .*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: NOQUEUE: reject: RCPT from [^[:space:]]+ 554 [0-9.]+ <[^[:space:]]+>: Client host rejected: match hotmail blacklist; .*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: NOQUEUE: warn: .*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: warning: Unable to look up MX host .*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: warning: Unable to look up NS host .*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: warning: [.[:digit:]]+: hostname [^[:space:]]+ verification failed: Temporary failure in name resolution$